<figure><img src="image_14.png" /><figcaption>Fig. 11. Deltaic architectural elements. A) Field photograph of sandstone displaying clinoforms. B) Detail of three coarsening- and thickening-upwards deltaic successions (marked with blue brackets) displaying clinoforms. Note that the lower part of foresets are draped by carbonaceous detritus (red arrow) and, locally, these drapes extend upwards to the topsets (white arrow). C-D) Field photograph (C) and line-drawing (D) of three coarsening- and thickening-upwards deltaic successions (marked with blue brackets). Note that deposits of the lowermost succession are truncated by an erosive surface, which incises 1.30 m downwards into the underlying sediments, made up of thinly-bedded sandstone and carbonaceous detritus layers (delta-front element), and it is filled by sandstone displaying large-scale cross strata (delta terminal distributary channel element). The yellow start indicates the position of the sample shown in Fig. 11F. E) Detail of deposits of the delta terminal distributary channel element observed in Fig. 11C-D, displaying an erosive base and formed by large-scale cross strata sandstone. F) Transmitted light photomicrograph of a well-sorted sandstone. The location of the sample is indicated in Fig. 11C-D with a yellow star. All photographs were taken at the Riodeva area.</figcaption></figure>
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<figure><img src="image_15.png" /><figcaption>Fig. 12. Coastal to shallow marine architectural elements. A) Schematic diagram of the coastal to shallow marine architectural elements indicating the position of the logs shown in Fig. 12B and 13A. B) Log of the coastal terminal distributary channel architectural element (bracket in the diagram shows the location of the log in Fig. 12A; see Fig. 2 for legend) and palaeocurrents obtained in the W Maestrazgo Basin. C-D) Channelized sandstone (Formiche Alto area) displaying a basal erosive base (red dotted line) and large-scale cross strata. This body is interbedded with marl (white arrows), which, in turn, is interbedded with shallow marine limestone (blue arrow) and distributary mouth-bar sandstone (orange arrows). Note that sandstone displays an internal erosive surface (pink dotted line) filled by poorly-sorted conglomerate and also includes thin layers of carbonaceous-rich marl between the large-scale cross strata sets (yellow arrows). E) Detail of the thin layers of carbonaceous-rich marl located between large-scale cross-strata sets (yellow arrow) and draping the bottomsets and the lower part of foresets (white arrows). See location in Fig. 12D. F) Detail of the internal erosive surface (pink dotted line) filled by poorly-sorted conglomerate (see location in Fig. 12C). G) Field photograph of poorly-sorted mudstone pebbles including fragments of bivalves overlaying the internal erosive surface (pink dotted line). See location in Fig. 12F.</figcaption></figure>
<figure><img src="image_16.png" /><figcaption>Fig. 13. Coastal to shallow marine architectural elements. A) Log of the distributary mouth-bar element (bracket in the diagram shows the location of the log in Fig. 12A; see Fig. 2 for legend) and palaeocurrents. B) Field photograph (Benagéber area) of a sandstone body displaying a coarsening- and thickening-upwards trend (yellow bracket) and interbedded with shallow marine limestone (greyish strata below and above yellow bracket). C-D) Field photograph (C) and line drawing (D) of the distributary mouth-bar element (Mora de Rubielos area) comprising a non-channelized sandstone body interbedded with marl that includes corals in life position (black arrow indicates location of corals). Note that sandstone displays large-scale and sigmoidal cross strata (white arrows). Hammer for scale. E) Field photograph of colonial corals observed in life position at the Mora de Rubielos area. Note that the white arrows point to its growth lines. See location of the coral at Fig. 13C-D. F) Detail of the septa of the coral shown in Fig. 13E. G) Field photograph (Mora de Rubielos area) of cm-thick sandstone displaying wave ripple strata at the top (white arrows) and interbedded with marl, giving rise to wavy bedding. H) Trigonioids and ostreids observed within a sandstone body (white and blue arrows, respectively) at the Mora de Rubielos area. I) Burrowing traces observed at the top of a sandstone body in the Formiche Alto area.</figcaption></figure>
<figure><img src="image_17.png" /><figcaption>Fig. 14. Simple aeolian dune architectural element. A) Schematic diagram and log of the simple aeolian dune architectural element (bracket in the diagram shows the location of the log, see Fig. 2 for legend) and palaeocurrents. B-C) Field photograph (B) and line drawing (C) of a sandstone body displaying a 6 m-thick large-scale cross strata set. Large-scale cross strata set is made up of convex-up foresets passing upwards to low-angle inclined topsets. D) Field photograph of a metre-thick sandstone body displaying a single set of large-scale cross strata. E) Metre-thick sandstone body comprising a 4 m-thick large-scale cross strata set. Hammer for scale (black circle). F) Detail of large-scale cross strata set observed in Fig. 14E. Large-scale cross strata set is made up of successive cm-thick inversely graded strata. Note that the contact between each stratum is sharp (red arrows). Hammer for scale. G) Transmitted light photomicrograph of simple dune aeolian sandstone displaying well-sorted subrounded to subangular grains. H) Transmitted light photomicrograph of sandstone strata displaying inverse grain size grading. All photographs were taken at the Riodeva area.</figcaption></figure>
<figure><img src="image_18.png" /><figcaption>Fig. 15. Massive and indistinctly stratified aeolian dune architectural element. A) Schematic diagram and log of the massive and indistinctly stratified aeolian dune architectural element (bracket in the diagram shows the location of the log; see Fig. 2 for legend) and palaeocurrents. B) Field photograph of massive and indistinctly stratified aeolian dune sandstone overlain by the multistorey fluvial channel architectural element (its base is indicated with a yellow line). Black lines represent faults. C) Field photograph of massive and indistinctly stratified aeolian dune sandstone, which is laterally interbedded with conglomerate bodies of the ephemeral fluvial channel architectural element (delimited by red lines). D) Field photograph of massive and indistinctly stratified sandstone interbedded with conglomerate bodies (delimited by red lines). Sandstone displays poorly preserved large-scale cross strata (foresets are outlined with black lines). Note that the blue circle shows a 2 m large pocket rule (white line). E) Field photograph of massive and indistinctly stratified aeolian dune sandstone overlain by the multistorey fluvial channel architectural element (its base is indicated with a yellow line). F) Transmitted light photomicrograph of sandstone displaying subangular to subrounded and well-sorted grains. G-H) Field photograph (G) and line drawing (H) of sandstone displaying large-scale cross strata in which foresets pass downwards to laterally continuous bottomsets. Carbonaceous</figcaption></figure>
detritus and mica flakes drape some bottomsets and the lowermost part of some foresets. Note the high-angle foresets displayed by the cross strata set to the right of the photograph (blue arrow). All photographs were taken at the Riodeva area.

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<figure><img src="image_19.png" /><figcaption>Fig. 16. Climbing aeolian dune architectural element. A) Schematic diagram and log of the climbing aeolian dune architectural element (bracket in the diagram shows the location of the log; see Fig. 2 for legend) and palaeocurrents. B) Field photograph of sandstone displaying a large-scale cross stratified set, at least 2 m thick (note that the person in the photograph is 1.65 m tall). C-D) Field photograph (C) and line drawing (D) of sandstone displaying large-scale tangential cross strata sets. Individual sets are delimited by low-angle inclined bounding surfaces, which dip in the opposite direction to the foresets dip. E) Field photograph of large-scale and high-angle cross strata sandstone whose foresets are slightly deformed (yellow arrows). F) Field photograph of tangential cross strata sandstone. G) Detail of the lower part of foresets and bottomsets of large-scale cross strata sandstone. Foresets comprise cm-thick strata pinching out downwards, which correspond to grainflow strata (gf). Grainflow strata are interbedded with cm-thick strata pinching out upwards, corresponding to wind ripple strata (wr). H) Detail of grainflow strata made up of fine- to medium-grained sandstone (blue bracket) and wind ripple strata made up of very fine- to fine-grained sandstone (red brackets). I) Sandstone pseudomorph after gypsum (desert rose formed by a rosette-like crystal aggregate). All photographs were taken at the Riodeva area.</figcaption></figure>
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<figure><img src="image_20.png" /><figcaption>Fig. 17. Reconstruction of the different palaeoenvironments inhabited by dinosaurs of the Villar del Arzobispo Fm and of the lateral relationships between them (not at scale).</figcaption></figure>

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<figure><img src="image_21.png" /></figure>

Fig. 18. Interactions between fluvial, tidal, deltaic, and aeolian environments observed in the Lençóis Maranhenses National Park (NE Brazil). Satellite images were taken from Google Earth in 2019. A) The coastal dune field of the Lençóis Maranhenses National Park (to the right) is located next to the estuary of the Mearim River (to the left). B) Aeolian dunes developing in a flooded area, at the end of the dune field. Note that stagnant water bodies develop in the interdune areas (blue arrows). C) Aeolian dunes approaching a tidal channel (blue arrows). Note how the aeolian interdunes may get flooded (red arrows). D) The coastal flood plain is crossed by the Grande River, which flows into a shallow water body in which deltaic sediments are deposited (red arrow). E) The coastal dune field is penetrated by the Negro River (blue arrows) and in its margin small deltas develop in stagnant water bodies (red squares). F-G) Interdune areas crossed by the Negro River. Note that the fluvial channel erodes the aeolian dune sediments in F (pink arrow) and that aeolian dunes migrate over the fluvial channel in G (blue arrow). Note that small deltas develop in the interdune areas (red arrows). H-I) Deltas developing in the margins of the dune field. Note that the aeolian dunes migrate over the delta plain in H (blue arrows) and that the distributary channels rework the aeolian dune sediments in I (red arrow).
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<table><caption>**Table 1.** Summary of the essentially siliciclastic coastal and alluvial architectural elements of the Villar del Arzobispo Fm in the South-Iberian and western Maestrazgo basins. See Fig. 2 for location of the architectural elements. The references are cited in the main text.</caption><thead><tr><th>Depositional settings</th><th>Architectural elements</th><th>Sedimentary features and fossil content</th><th>Sedimentary structures</th><th>Stratigraphic position and occurrence in sections</th><th>Associated deposits</th><th>Environmental interpretation</th></tr></thead><tbody><tr><td rowspan="10">Fluvial</td><td rowspan="3">Ephemeral fluvial channel</td><td><strong>Composition and sorting:</strong> very poorly-sorted conglomerate. Commonly clast-supported. Subangular to subrounded mud, carbonate and sandstone clasts (&lt;20 cm), locally rounded quartzite pebbles (&lt;6cm).<br><strong>Thickness and vertical arrangement:</strong> dm- to m-thick bodies (&lt;3 m) with erosive bases (commonly symmetrical and slightly incisive, locally asymmetrical and very incisive) and short lateral extent (&lt;10 m).<br><strong>Fossil content:</strong> fragments of tree trunks and dinosaur bones<br><strong>Observations:</strong> more abundance of quartzite pebbles upwards in the SUP of the South-Iberian Basin sections.</td><td><strong>Tractive structures:</strong> large-scale cross strata (set thickness &lt;3 m)<br><strong>Palaeocurrents:</strong><br>- South-Iberian Basin: transport to the W-NW and the NE-SE.<br>- W Maestrazgo Basin: transport to the S-SW and the SE.</td><td><strong>South-Iberian Basin:</strong><br>- CLP: Riodeva<br>- SUP: Riodeva, Benagéber and Villar del Arzobispo<br><strong>W Maestrazgo Basin:</strong><br>- CLP: Cedrillas<br>- SUP: Cedrillas, El Castellar and Formiche Alto</td><td>Interbedded with flood plain and massive and indistinctly stratified aeolian dune elements. Overlain by delta-toe and simple and climbing aeolian dune elements.</td><td>Ephemeral fluvial channels developed during periods of intense rainfalls and in which conglomerates were deposited under episodic and flash flows.</td></tr><tr><td><strong>Composition and sorting:</strong><br>- Sandstone: medium- to coarse-grained, occasionally fine-grained. Moderately- to poorly-sorted.<br>- Conglomerate: very poorly-sorted, commonly clast-supported. Medium to coarse-grained sandy matrix. Minor pebbly sandstone. Subangular to subrounded mud, carbonate and sandstone clasts (&lt;8cm), locally rounded quartzite clasts (&lt;5cm). Conglomerate overlies erosive bases and internal erosive surfaces.<br><strong>Thickness and vertical and lateral arrangement:</strong> m-thick bodies (&lt;15 m) with erosive bases and great exposed lateral extent (&lt;250m). Common fining-upwards trend. Occurrence of large internal erosive surfaces.<br><strong>Fossil content:</strong> fragments of tree trunks (up to few meters in size) and other plant remains (up to 30 cm in size).<br><strong>Observations:</strong> more abundance of quartzite pebbles upwards in the SUP of the South-Iberian Basin sections.</td><td><strong>Tractive structures:</strong> large-scale cross strata in sandstone and conglomerate (set thickness &lt;1.5m). Local upwards decrease of set thickness. Locally thin layers of siliciclastic mudstone with abundant carbonaceous detritus are interbedded with cross strata sandstone sets and/or at the lower part of foresets and bottomsets. Occasional supercritical flow sedimentary structures (convex-up low-angle cross strata and scour and fill structures filled by backset and foreset strata that flatten upward in places).<br><strong>Palaeocurrents:</strong><br>- South-Iberian Basin: main transport to the NE-S, minor to the W-N.<br>- W Maestrazgo Basin: transport to the NE, minor to the N and E-SE.</td><td><strong>South-Iberian Basin:</strong><br>- CLP: Villar del Arzobispo<br>-SUP: all sections<br><strong>W Maestrazgo Basin:</strong><br>- CLP: El Castellar and Formiche Alto<br>- SUP: all sections</td><td>Interbedded with flood plain and simple, climbing and massive and indistinctly stratified aeolian dune elements. Overlying massive and indistinctly stratified aeolian element. Overlain by delta elements.</td><td>Perennial to semi-perennial fluvial channels characterized by episodic and seasonal discharge.</td></tr><tr><td><strong>Composition, components, texture and/or sorting:</strong><br>- Siliciclastic mudstone: typically reddish colour, and minor greyish and greenish color.<br>- Sandstone: very fine- to medium-grained. Well- to moderately-sorted.<br>- Limestone: oncolitic and stromatolitic limestone, with variable amounts of quartz grains and local poorly-sorted bioclasts and ooids.<br><strong>Thickness and vertical and lateral arrangement:</strong><br>- Sandstone: dm- to m-thick bodies (&lt;60cm) with tabular or flat-convex-up geometries and short lateral extent (&lt;40m). Tabular sandstone may be also arranged in coarsening and thickening-upwards bodies (&lt;1.5 m).<br>- Limestone: dm- to m-thick bodies (&lt;30 cm), locally with erosive bases and short lateral extent (&lt;3m)<br><strong>Fossil content:</strong> dinosaur bones in siliciclastic mudstone and sandstone, plant remains in sandstone and bioclasts in limestone (fragments of bivalves, including ostreids, scarce benthic foraminifera, echinoid spines, gastropods, ostracods, charophytes and very scarce corals).</td><td><strong>Tractive structures:</strong><br>-Sandstone: parallel lamination followed upwards by current ripples (climbing ripples) and locally by wave ripples. Large-scale cross strata, sigmoidal cross strata.<br><strong>Palaeocurrents:</strong><br>- South-Iberian Basin: main transport to the W-SW, minor to the NE.<br>- W Maestrazgo Basin: main transport to the E-NE.<br><strong>Bioturbation:</strong> burrowing traces in sandstone and micritic limestone.<br><strong>Subaerial exposure features (top of beds):</strong> edaphic features (carbonate nodules in siliciclastic mudstone, mottling and root traces in siliciclastic mudstone and sandstone) and dinosaur tracks in siliciclastic mudstone, sandstone and limestone.</td><td><strong>South-Iberian Basin:</strong><br>- CLP: Riodeva and Villar del Arzobispo<br>- SUP: all sections<br><strong>W Maestrazgo Basin:</strong><br>- CLP: all sections<br>- SUP: all sections</td><td>Interbedded with ephemeral and multistory fluvial channel, simple and climbing aeolian elements and tidal and shallow marine limestone. Overlying the delta terminal distributary channel, delta-front and distributary-mouth bar elements. Overlain by the delta-toe and the massive and indistinctly stratified aeolian dune elements.</td><td>Flood plain located in alluvial to coastal areas that underwent periods of subaerial exposure and paleosol development, as well as deposition of overbank splay lobes during flood events and in which shallow fresh, brackish and marine water bodies developed.</td></tr><tr><td rowspan="3">Multistorey fluvial channel</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td>Flood plain</td><td></td><td></td><td></td><td></td></tr></tbody></table>
<table><thead><tr><th></th><th></th><th></th><th></th><th></th><th></th><th></th><th></th><th></th><th></th><th></th><th></th></tr></thead><tbody><tr><td rowspan="3">Deltaic</td><td>Delta-toe</td><td>Composition and sorting:<br/>- Carbonaceous-rich, dark grey siliciclastic mudstone<br/>- Sandstone: very fine-grained. Well-sorted Thickness and vertical and lateral arrangement:<br/>- Carbonaceous-rich, dark grey siliciclastic mudstone: &lt; 50cm of thickness and great exposed lateral extent (&lt;100m)<br/>- Sandstone: mm- to cm-thick discontinuous layers<br/>Fossil content: plant remains (carbonaceous detritus)</td><td>Overall thickness and vertical and lateral arrangement:<br/>Coarsening- and thickening- upwards dm- to m-thick successions (&lt;2m) with &lt;100m of exposed lateral extension, composed, from base to top, of delta-toe, delta-front and delta terminal distributary channel elements. Vertical stacking of individual deltaic successions producing composite bodies (&lt;10m) with great exposed lateral extent (&lt;200 m).</td><td>Tractive structures: current ripples in sandstone<br/>Bioturbation: Dinosaur tracks</td><td>South-Iberian Basin:<br/>- SUP: Riodeva, Losilla-Alpuente and Villar del Arzobispo<br/>W Maestrazgo Basin:<br/>- SUP: Cedrillas</td><td>Overlying flood plain and ephemeral and multistorey fluvial channel elements. Overlain by delta-front element.</td><td>Delta-toe sediments deposited by settling down from suspension of fine material. Siliciclastic input.</td><td>Deposition of deltaic sediments in shallow water bodies located in the flood plain. Probably freshwater; marine influence is not discarded.</td></tr><tr><td>Delta-front</td><td>Composition and sorting: very fine- to medium-grained, well-sorted sandstone.<br/>Thickness and vertical and lateral arrangement: dm- to m-thick sandstone (&lt; 2m) and great exposed lateral extent (&lt;100m)<br/>Fossil content: plant remains (carbonaceous detritus)</td><td>Tractive structures: clinoforms with low-angle and large laterally-continuous foresets. Drapes of carbonaceous detritus at the lower part of foresets, locally extend up to the topsets.<br/>Palaeocurrents:<br/>- South-Iberian Basin: main transport to the W-NW and S, minor to the NE.<br/>Bioturbation: local burrowing traces.</td><td>South-Iberian Basin:<br/>- SUP: Riodeva, Losilla-Alpuente and Villar del Arzobispo<br/>W Maestrazgo Basin:<br/>- SUP: Cedrillas</td><td>Overlying delta-toe element. Overlain by delta terminal distributary channel, flood plain and simple or climbing aeolian dune elements.</td><td>Sandy delta-front sediments deposited by unconfined flows. Carbonaceous detritus deposited during periods of low flow.</td><td></td></tr><tr><td>Delta terminal distributary channel</td><td>Composition and sorting: fine- to medium-grained, well-sorted sandstone.<br/>Thickness and vertical and lateral arrangement: dm- to m-thick bodies (&lt;1.5m) with erosive bases and short lateral extent (&lt;10m)</td><td>Tractive structures: Large-scale cross strata. Locally backset or upward flattening strata.<br/>Palaeocurrents:<br/>- South-Iberian Basin: main transport to the NE and S, minor to the W and SSW</td><td>South-Iberian Basin:<br/>- SUP: Riodeva, Losilla-Alpuente and Villar del Arzobispo<br/>W Maestrazgo Basin:<br/>- SUP: Cedrillas</td><td>Overlying delta-front element. Overlain by flood plain and simple or climbing aeolian dune elements.</td><td>Delta terminal distributary channels migrating in a deltaic plain</td><td></td></tr><tr><td rowspan="3">Coastal to shallow marine</td><td>Coastal terminal distributary channel</td><td>Composition and sorting: fine- to medium-grained, well-sorted sandstone. Local poorly-sorted conglomerate (mudstone subangular to subrounded mudstone pebbles and scarce bioclasts) with medium- to coarse-grained sandy matrix.<br/>Thickness and vertical and lateral arrangement: m-thick bodies (&lt;3m) with erosive bases and &lt;50m of exposed lateral extent. Occurrence of internal erosive surfaces.<br/>Fossil content: occasional fragments of bivalves in conglomerate.</td><td>Tractive structures: large-scale cross strata. Local thin layers of carbonaceous-rich marl interbedded with cross strata sandstone sets and/or at the lower part of foresets and bottomsets<br/>Palaeocurrents:<br/>- W Maestrazgo Basin: main transport to the E-SE.</td><td>South-Iberian Basin:<br/>- CLP: Villar del Arzobispo<br/>W Maestrazgo Basin:<br/>- SUP: Formiche Alto and Mora de Rubielos</td><td>Interbedded with distributary mouth-bar element and marl.</td><td>Coastal terminal distributary channels flowing into coastal and shallow marine areas</td><td></td></tr><tr><td>Distributary mouth-bar</td><td>Composition and sorting: fine- to medium-grained, well-sorted sandstone<br/>Thickness and vertical and lateral arrangement: cm- to m-thick bodies (&lt;2.50m) with flat bases and flat or convex-up tops and short lateral extent (&lt;20m). Occasional coarsening and thickening upwards trend.<br/>Fossil content: occasional fragments of osteids, trigonioids and other bivalves, corals, echinoderms, gastropods, large benthic foraminifera, miliolids, serpulids and plant remains.</td><td>Tractive structures:<br/>- Dm- to m-thick bodies: large-scale cross strata, sigmoidal cross strata, occasional wave and/or current ripples at the top<br/>- Cm-thick bodies: wave and/or current ripples at the top, wavy bedding.<br/>Palaeocurrents:<br/>- South-Iberian Basin: main transport to the E, minor to the N and SE<br/>- W Maestrazgo Basin: main transport to the NE and E, minor to the N and S.<br/>Bioturbation: burrowing traces at the top</td><td>South-Iberian Basin:<br/>- CLP: all sections<br/>- SUP: Losilla-Alpuente and Villar del Arzobispo<br/>W Maestrazgo Basin:<br/>- CLP: all sections<br/>- SUP: all sections</td><td>Interbedded with coastal terminal distributary channel element and marl or with tidal and shallow marine limestone.</td><td>Distributary mouth-bars formed by the spreading out of an unconfined flow at the terminus of distributary rivers in coastal and shallow marine areas.</td><td></td></tr></tbody></table>
<table><tr><td rowspan="3">Aeolian</td><td>Simple aeolian dune</td><td><strong>Composition and sorting:</strong> fine- to medium-grained, well-sorted sandstone. Locally very scattered rounded to subrounded muddy-soft pebbles and rounded quartzite pebbles (&lt;1.4 cm).<br/><strong>Thickness and vertical and lateral arrangement:</strong> m-thick bodies (&lt;6m) with flat bases and tops and great exposed lateral extent (&lt;100m).<br/><strong>Fossil content:</strong> plant remains (carbonaceous detritus)</td><td><strong>Tractive structures:</strong> single large-scale cross strata sets (&lt;6 m). High angle foresets (&lt;36°). Foresets locally pass upwards to low-angle topsets.<br/><strong>Palaeocurrents:</strong><br/>- South-Iberian Basin: main transport to the SE, W-SW or the NW.</td><td><strong>South-Iberian Basin:</strong><br/>- SUP: Riodeva, Losilla-Alpuente and Benagéber</td><td>Interbedded with flood plain element. Locally overlies ephemeral fluvial channel, delta terminal distributary channel or delta-front elements.</td><td>Transverse and dome-shaped aeolian dunes migrating in the flood plain</td></tr><tr><td>Massive and indistinctly stratified aeolian dune</td><td><strong>Composition and sorting:</strong> fine- to medium-grained, well-sorted sandstone.<br/><strong>Thickness and vertical and lateral arrangement:</strong> m-thick bodies (&lt;25 m) with flat bases and tops and great exposed lateral extent (&lt;80 m).<br/><strong>Fossil content:</strong> local plant remains (carbonaceous detritus)<br/><strong>Observations:</strong> massive appearance.</td><td><strong>Tractive structures:</strong> local poorly-preserved large-scale cross strata (set thickness &lt;7m), high angle foresets (&lt;30°). Local drapes of carbonaceous detritus and mica flakes at laterally continuous bottomsets and the lower part of foresets.<br/><strong>Palaeocurrents:</strong><br/>- South-Iberian Basin: main transport to the W-NW, minor to the SW.</td><td><strong>South-Iberian Basin:</strong><br/>- SUP: Riodeva</td><td>Interbedded with ephemeral fluvial channel element. Overlying coastal flood plain element. Overlain by multistorey fluvial channel element.</td><td>Aeolian dunes subjected to episodic flooding, causing the inundation of interdune areas and the development of ephemeral channels between aeolian dunes.</td></tr><tr><td>Climbing aeolian dune</td><td><strong>Composition and sorting:</strong> fine- to medium-grained, well-sorted sandstone. Local very scattered subrounded mud pebbles and rounded quartzite pebbles (&lt;1.5 cm).<br/><strong>Thickness and vertical and lateral arrangement:</strong> m-thick bodies (&lt;5 m) with great exposed lateral extent (&lt;100 m)<br/><strong>Observations:</strong> scarce occurrence of desert roses.</td><td><strong>Tractive structures:</strong> cosets of large-scale cross strata (set thickness &lt;2 m). Low-angle inclined (&lt;10°) and laterally continuous (&lt;50m) set bounding surfaces. High angle tangential foresets (&lt;32°). Local slightly deformed foresets.<br/><strong>Palaeocurrents:</strong><br/>- South-Iberian Basin: transport to the SE or the NW</td><td><strong>South-Iberian Basin:</strong><br/>- SUP: Riodeva and Benagéber</td><td>Interbedded with multistorey fluvial channel element. Overlying ephemeral fluvial channel element, delta terminal distributary channel and delta-front elements. Overlain by flood plain element.</td><td>Climbing aeolian dunes that migrated in the flood plain</td></tr></table>
<figure><img src="image_22.png" /></figure>

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