cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.6084/m9.figshare.7506338.v1
title: Lavras granite emplacement and gold mineralization during the development of the post-collisional volcanoplutonic center, west of the Sul-riograndense Shield: Geophysical and structural data

description: Based on the integration of original and available geological, geophysical and structural data, we assess the construction of the Lavras granite in an evolving volcanoplutonic center. This center encompasses the Lavras do Sul intrusive complex and the Hilário trachyandesitic sequence (604 - 590 Ma), both formed in the western foreland setting during the post-collisional period of the Dom Feliciano Orogeny, Sul-riograndense Shield. Brittle structures and magnetic lineaments indicate the volcanic activity starting near the orogenic collapse, since it was initially controlled by NW-SE and WNW-ESE-striking dextral transtensive systems that inverted to sinistral during tectonic relaxation. The intrusive complex was formed from the north to the south, with emplacement of the Tapera monzonite and the Lavras granite respectively, following slip change along the N70-75°W fault zone cutting it across. The granite has moderate dimensions (325 km³) and a tabular shape (length - L: thickness - T ≈ 3:1) tapering to the south, as deduced from gravity data. AMS petrofabric (anisotropy of magnetic susceptibility) reinforces two compositional-structural domains in the center and in the border of this granite body, represented by the magnesian terms (granodiorite and monzogranite) and the ferroan ones (syenogranite and alkali feldspar granite) respectively. These data together with brittle structures point to a multistage pluton constructed in two resurgent episodes involving: (1) the central laccolith through the emplacement of granodiorite beneath the monzogranite sill; and (2) the annular intrusions of ferroan granites, induced by expansion of the high-level reservoir due to recharge with lamprophyric mafic-ultramafic magmas. Its structural control, spatial distribution and association with lamprophyric dykes attest the link of gold mineralization with the last resurgent episode in a mature volcanoplutonic center.
DOI: 10.5281/zenodo.3665877
title: TraceDroid: Eight-Year Behavioral Profiles of Android Apps

description: A large-scale dataset on the static and dynamic profiles based on function calls of 30,634 benign and malicious Android apps from eight historical years (2010 through 2017). Function calls are a commonly used means to model program behaviors, which may contribute to various code analysis approaches to assuring software correctness, reliability, and security. In particular, our dataset includes static and dynamic profiles of each app based on the same set of metrics that define the profile, enabling hybrid app analysis that reason about app behaviors from the dynamic profiles with the corresponding profiles as context. The static profiles are computed by the state-of-the-art static app analysis for Android, while the dynamic profiles are the result of running each sample app against automatically generated test inputs for ten minutes. Please cite the following paper to credit us when using these datasets. Cai, Haipeng, and Barbara G. Ryder. "Artifacts for dynamic analysis of Android apps." In <em>2017 IEEE International Conference on Software Maintenance and Evolution (ICSME)</em>, pp. 659-659. IEEE, 2017.
DOI: 10.6084/m9.figshare.7508297
title: K'Mudku A-type magmatism in the southernmost Guyana Shield, central-north Amazon Craton (Brazil): the case of Pedra do Gavião syenogranite

description: The Mesoproterozoic K'Mudku event (1490 - 1147 Ma) is represented by a britlle-ductile shear belt that cuts across the Paleoproterozoic units in the southernmost Guyana shield, central-north Amazon craton. This event produced mylonitization and cataclasites at low/medium- to high-grade metamorphic, and local within-plate magmatism. In the Amazonas State, Brazil, A-type magmatism chronologically associated to K'Mudku has been reported for the Pedra do Gavião and Samaúma syenogranites. However, the spatial relationship between K´Mudku event and A-type magma generation are not yet adequately clarified in the region. The Pedra do Gavião syenogranite is a high-K alkaline, metaluminous, reduced A-type granite with a post-collisional to within-plate geochemical signature. It has U-Pb zircons crystallization age of 1218 Ma and inherited zircons with ages between 1820 and 1720 Ma, which, together with the Sm-Nd data, suggest melting of Paleoproterozoic basement rocks of the Cauaburi Complex (1810 - 1780 Ma) regional unit. These data demonstrate that the effects of the A-type magmatism associated to the end of the Grenvillian-Sunsas orogeny, reported primarily in the southwestern margin of the Amazon craton, may also be extended for the central-northern part of the Amazon craton. Probably the generation or emplacement mechanisms of A-type magma occurred with some degree of involvement in the final stages of the K´Mudku event. However, this tectonic framework conception still needs more geological and geophysical investigations. Therefore, these news data should instigate to the return of geological research in the region, as well as to debate on the tectonic evolution and A-type granites production during the Ectasian-Stenian period in the central-north Amazon craton.
DOI: 10.6084/m9.figshare.7508297.v1
title: K'Mudku A-type magmatism in the southernmost Guyana Shield, central-north Amazon Craton (Brazil): the case of Pedra do Gavião syenogranite

description: The Mesoproterozoic K'Mudku event (1490 - 1147 Ma) is represented by a britlle-ductile shear belt that cuts across the Paleoproterozoic units in the southernmost Guyana shield, central-north Amazon craton. This event produced mylonitization and cataclasites at low/medium- to high-grade metamorphic, and local within-plate magmatism. In the Amazonas State, Brazil, A-type magmatism chronologically associated to K'Mudku has been reported for the Pedra do Gavião and Samaúma syenogranites. However, the spatial relationship between K´Mudku event and A-type magma generation are not yet adequately clarified in the region. The Pedra do Gavião syenogranite is a high-K alkaline, metaluminous, reduced A-type granite with a post-collisional to within-plate geochemical signature. It has U-Pb zircons crystallization age of 1218 Ma and inherited zircons with ages between 1820 and 1720 Ma, which, together with the Sm-Nd data, suggest melting of Paleoproterozoic basement rocks of the Cauaburi Complex (1810 - 1780 Ma) regional unit. These data demonstrate that the effects of the A-type magmatism associated to the end of the Grenvillian-Sunsas orogeny, reported primarily in the southwestern margin of the Amazon craton, may also be extended for the central-northern part of the Amazon craton. Probably the generation or emplacement mechanisms of A-type magma occurred with some degree of involvement in the final stages of the K´Mudku event. However, this tectonic framework conception still needs more geological and geophysical investigations. Therefore, these news data should instigate to the return of geological research in the region, as well as to debate on the tectonic evolution and A-type granites production during the Ectasian-Stenian period in the central-north Amazon craton.
DOI: 10.6084/m9.figshare.7506809
title: Geological map of the Cenozoic of Volta Redonda Basin region (Rio de Janeiro State, Central Segment of the Continental Rift of Southeastern Brazil): identification of new grabens and discontinuous occurrences, and characterization of tectonosedimentary stages

description: This work aims to present new results of geological mapping and tectonosedimentary analysis of the cenozoic of Volta Redonda basin region, inserted in the central segment of the Continental Rift of Southeast Brazil (CRSB). Were recognized three paleogenic depocenters (grabens of Colônia Santo Antônio, Dorândia, Casa de Pedra - most importantly, for its volcanic and sedimentary record) and discontinuous paleogenics deposits (areas of Belmonte, Jardim Amalia, Cafundó, Vargem Alegre), and two expressives quaternary grabens (grabens of the Rio Bananal and the Usinal), distributed in the NE-SW direction. The paleogenic filling was related to three tectonic stages: Pre-Rift phase, linked to the deposition of the Ribeirão Quatis Formation (fluvial); Rift phase I (main), related to Resende Formation, characterized by a fluvial and alluvial fan systems associated with major fault edges, and basanitic volcanism (Casa de Pedra Basanite); Rift phase II (final) relating to Pinheiral Formation fluvial deposits, responsible for clogging of paleogenics depocenters. Significant accumulations of recent alluvial deposits are linked to the fulfillment of the Quaternary grabens. The current configuration of the Volta Redonda basin region is the results of a generation of several brittle structures associated to paleogenic opening and neotectonic deformation. Thus, this segment of the CRSB is represented by a mosaic of paleogenic dpocenters and discontinuous occurrences significantly compartmentalized by recent deformation, and quaternary depocenters, mainly linked to the Holocene extension event. The identification and characterization of these feautures, brings a new arrangement of cenozoic record in the region of the Volta Redonda basin, measuring around 40 km in the NE-SW and 10 km in the NW-SE direction.
DOI: 10.6084/m9.figshare.7506809.v1
title: Geological map of the Cenozoic of Volta Redonda Basin region (Rio de Janeiro State, Central Segment of the Continental Rift of Southeastern Brazil): identification of new grabens and discontinuous occurrences, and characterization of tectonosedimentary stages

description: This work aims to present new results of geological mapping and tectonosedimentary analysis of the cenozoic of Volta Redonda basin region, inserted in the central segment of the Continental Rift of Southeast Brazil (CRSB). Were recognized three paleogenic depocenters (grabens of Colônia Santo Antônio, Dorândia, Casa de Pedra - most importantly, for its volcanic and sedimentary record) and discontinuous paleogenics deposits (areas of Belmonte, Jardim Amalia, Cafundó, Vargem Alegre), and two expressives quaternary grabens (grabens of the Rio Bananal and the Usinal), distributed in the NE-SW direction. The paleogenic filling was related to three tectonic stages: Pre-Rift phase, linked to the deposition of the Ribeirão Quatis Formation (fluvial); Rift phase I (main), related to Resende Formation, characterized by a fluvial and alluvial fan systems associated with major fault edges, and basanitic volcanism (Casa de Pedra Basanite); Rift phase II (final) relating to Pinheiral Formation fluvial deposits, responsible for clogging of paleogenics depocenters. Significant accumulations of recent alluvial deposits are linked to the fulfillment of the Quaternary grabens. The current configuration of the Volta Redonda basin region is the results of a generation of several brittle structures associated to paleogenic opening and neotectonic deformation. Thus, this segment of the CRSB is represented by a mosaic of paleogenic dpocenters and discontinuous occurrences significantly compartmentalized by recent deformation, and quaternary depocenters, mainly linked to the Holocene extension event. The identification and characterization of these feautures, brings a new arrangement of cenozoic record in the region of the Volta Redonda basin, measuring around 40 km in the NE-SW and 10 km in the NW-SE direction.
DOI: 10.6084/m9.figshare.7510103.v1
title: New sedimentological and palynological data from surface Miocene strata in the central Amazonas Basin area

description: ABSTRACT The scarcity of stratigraphic data has hindered the demarcation of the outcropping area of Miocene deposits of the Amazon Basin, represented informally by the Novo Remanso Formation. Moreover, this unit is characterized by a sparse and irregular geographic distribution due to its sedimentological features and rare fossil content. Miocene deposits cropping out in central Amazonas Basin area were described in sedimentological terms and analyzed palynologically. All analyses were undertaken in samples collected at the Uatumã River banks (Itapiranga and São Sebastião do Uatumã cities). Lithostratigraphic data shows that Novo Remanso Formation consists of sandstones, with subordinate conglomerates and pelites, characteristic of a meandering fluvial paleosystem, with fluvial channel, point bar, floodplain and crevasse splay facies. The palynoflora retrieved from five samples consists exclusively of continental-origin palynomorphs dominated by angiosperms species. Trilete spores are well represented, while gymnosperms pollen grains are minor components. The presence of Psilastephanoporites tesseroporus, Syncolporites poricostatus, Jandufouria seamrogiformis and Polypodiaceoisporites potoniei ensure these deposits fits into the Grimsdalea magnaclavata palynozone (Regali et al. 1974a, b), and the Grimsdalea magnaclavata/Crassoretitriletes vanraadshooveni palynozones of Jaramillo et al. (2011) considered Middle Miocene age. This age is confirmed by the zonation of Jaramillo et al. (2011), based on the LADs of Bombacacidites baumfalki (11.57Ma) and Crototricolpites annemariae (12.91Ma); and the FAD of Psilastephanoporites tesseroporus (14.00Ma). With these new data presented herein, it is possible to assume that the Miocene strata represented by the Novo Remanso Formation covers a larger area in the basin than previously considered, and that it may be extended for about 300 km until the Manacapuru village, indicating a Miocene subsidence phase.
DOI: 10.6084/m9.figshare.7517960
title: Influence of pressure and temperature in the illite crystallinity in Proterozoic sequences: North of Distrito Federal and Goiás, Brazil

description: The Proterozoic sequences in the North of Distrito Federal (Brazil) and in Bezerra and Vila Boa regions (Goiás) comprise carbonates, pelites and sandstones from Bambuí and Paranoá Groups. In Distrito Federal, such units are tectonically overlapped by metasediments of green schist facies of Canastra Group. Among the mineral constituents of the pelitic terms of all these units, phyllosilicates, particularly illite and muscovite, are predominant and are identified using X-ray diffraction with the help of reflection d(001) decomposition. The Kübler Index (Illite Crystallinity Index) complements the interpretation of local diagenesis and the possible bulk tectonic influence on the diagenesis/metamorphism that is a result of the overlap by the thrust fault of Canastra Group on Paranoá and Bambuí groups, in the Distrito Federal region. Results indicate epizone conditions for the samples analyzed from Canastra Group and anchizone for samples from Bambuí and Paranoá Groups. In the rocks at the North of Distrito Federal, the Kübler Index values are lower than in Bezerra - Vila Boa region. Moreover, the contents of Bambuí Group rocks are smaller than Paranoá's in the entire study area; therefore, the influence of tectonic bulk occurs gradually, starting from the highest load point.
DOI: 10.6084/m9.figshare.7510103
title: New sedimentological and palynological data from surface Miocene strata in the central Amazonas Basin area

description: ABSTRACT The scarcity of stratigraphic data has hindered the demarcation of the outcropping area of Miocene deposits of the Amazon Basin, represented informally by the Novo Remanso Formation. Moreover, this unit is characterized by a sparse and irregular geographic distribution due to its sedimentological features and rare fossil content. Miocene deposits cropping out in central Amazonas Basin area were described in sedimentological terms and analyzed palynologically. All analyses were undertaken in samples collected at the Uatumã River banks (Itapiranga and São Sebastião do Uatumã cities). Lithostratigraphic data shows that Novo Remanso Formation consists of sandstones, with subordinate conglomerates and pelites, characteristic of a meandering fluvial paleosystem, with fluvial channel, point bar, floodplain and crevasse splay facies. The palynoflora retrieved from five samples consists exclusively of continental-origin palynomorphs dominated by angiosperms species. Trilete spores are well represented, while gymnosperms pollen grains are minor components. The presence of Psilastephanoporites tesseroporus, Syncolporites poricostatus, Jandufouria seamrogiformis and Polypodiaceoisporites potoniei ensure these deposits fits into the Grimsdalea magnaclavata palynozone (Regali et al. 1974a, b), and the Grimsdalea magnaclavata/Crassoretitriletes vanraadshooveni palynozones of Jaramillo et al. (2011) considered Middle Miocene age. This age is confirmed by the zonation of Jaramillo et al. (2011), based on the LADs of Bombacacidites baumfalki (11.57Ma) and Crototricolpites annemariae (12.91Ma); and the FAD of Psilastephanoporites tesseroporus (14.00Ma). With these new data presented herein, it is possible to assume that the Miocene strata represented by the Novo Remanso Formation covers a larger area in the basin than previously considered, and that it may be extended for about 300 km until the Manacapuru village, indicating a Miocene subsidence phase.
DOI: 10.6084/m9.figshare.7507562
title: The Quaternary alluvial systems tract of the Pantanal Basin, Brazil

description: ABSTRACT The Pantanal Basin is an active sedimentary basin in central-west Brazil that consists of a complex alluvial systems tract characterized by the interaction between different river systems developed in one of the largest wetlands in the world. The Paraguay River is the trunk river system that drains the water and part of the sediment load received from areas outside of the basin. Depositional styles vary considerably along the river profiles throughout the basin, with the development of entrenched meandering belts, anastomosing reaches, and floodplain ponds. Paleodrainage patterns are preserved on the surface of abandoned lobes of fluvial fans, which also exhibit many degradational channels. Here, we propose a novel classification scheme according to which the geomorphology, hydrological regime and sedimentary dynamics of these fluvial systems are determined by the geology and geomorphology of the source areas. In this way, the following systems are recognized and described: (I) the Paraguay trunk-river plains; (II) fluvial fans sourced by the tablelands catchment area; (III) fluvial fans sourced by lowlands; and (IV) fluvial interfans. We highlight the importance of considering the influences of source areas when interpreting contrasting styles of fluvial architectures in the rock record.
DOI: 10.6084/m9.figshare.7507562.v1
title: The Quaternary alluvial systems tract of the Pantanal Basin, Brazil

description: ABSTRACT The Pantanal Basin is an active sedimentary basin in central-west Brazil that consists of a complex alluvial systems tract characterized by the interaction between different river systems developed in one of the largest wetlands in the world. The Paraguay River is the trunk river system that drains the water and part of the sediment load received from areas outside of the basin. Depositional styles vary considerably along the river profiles throughout the basin, with the development of entrenched meandering belts, anastomosing reaches, and floodplain ponds. Paleodrainage patterns are preserved on the surface of abandoned lobes of fluvial fans, which also exhibit many degradational channels. Here, we propose a novel classification scheme according to which the geomorphology, hydrological regime and sedimentary dynamics of these fluvial systems are determined by the geology and geomorphology of the source areas. In this way, the following systems are recognized and described: (I) the Paraguay trunk-river plains; (II) fluvial fans sourced by the tablelands catchment area; (III) fluvial fans sourced by lowlands; and (IV) fluvial interfans. We highlight the importance of considering the influences of source areas when interpreting contrasting styles of fluvial architectures in the rock record.
DOI: 10.6084/m9.figshare.7511528
title: Filamentos microbianos em estromatólitos e laminitos da Sequência Balbuena III (Maastrichtiano/Daniano) da Formação Yacoraite na Sub-bacia Metán-Alemania, na região de Salta, Argentina, e seus significados paleoambientais

description: ABSTRACT Salta Basin is located in the northwest of Argentina and its origin is related to an intracontinental rift which was formed during the Cretaceous and early Paleogene. It is subdivided into four sub-basins (Lomas de Olmedo - east; Sey - west; Tres Cruces - north; and Metán-Alemania - south) that were filled by sediments from the Pirgua (synrift phase), Balbuena and Santa Bárbara (both in sag phase) Subgroups. The Subgroup or Supersequence Balbuena is divided into four sequences: Balbuena I, II, III and IV, from bottom to top. This research identified microbial filaments in scanning electron microscope images from stromatolites and laminites samples of Balbuena III Sequence (Maastrichtian/Danian), Yacoraite Formation, in the Metán-Alemania Sub-basin, situated in Cabra Corral dam region, district of Coronel Moldes, Argentina. The occurrence of these filaments, identified in limestones formed in dry weather periods and deposited in the closed lake interval of the studied sequence, indicates the influence of biological activity in the formation of these rocks. The identification of microbial filaments, preserved from cyanobacteria structures, supports the palaeoenvironmental interpretation, since the occurrence of these microorganisms is limited to the photic zone and is common to stressful environments. The laminites of the studied area have been interpreted as formed in supralittoral mudflats in the vadose zone, while the stromatolites were formed in sublittoral environment, being constantly submerged. In addition to the microbialites, the Balbuena III Sequence consists of carbonates, siliciclastic and mixed facies which have been deposited in a lacustrine environment.
DOI: 10.6084/m9.figshare.7511528.v1
title: Filamentos microbianos em estromatólitos e laminitos da Sequência Balbuena III (Maastrichtiano/Daniano) da Formação Yacoraite na Sub-bacia Metán-Alemania, na região de Salta, Argentina, e seus significados paleoambientais

description: ABSTRACT Salta Basin is located in the northwest of Argentina and its origin is related to an intracontinental rift which was formed during the Cretaceous and early Paleogene. It is subdivided into four sub-basins (Lomas de Olmedo - east; Sey - west; Tres Cruces - north; and Metán-Alemania - south) that were filled by sediments from the Pirgua (synrift phase), Balbuena and Santa Bárbara (both in sag phase) Subgroups. The Subgroup or Supersequence Balbuena is divided into four sequences: Balbuena I, II, III and IV, from bottom to top. This research identified microbial filaments in scanning electron microscope images from stromatolites and laminites samples of Balbuena III Sequence (Maastrichtian/Danian), Yacoraite Formation, in the Metán-Alemania Sub-basin, situated in Cabra Corral dam region, district of Coronel Moldes, Argentina. The occurrence of these filaments, identified in limestones formed in dry weather periods and deposited in the closed lake interval of the studied sequence, indicates the influence of biological activity in the formation of these rocks. The identification of microbial filaments, preserved from cyanobacteria structures, supports the palaeoenvironmental interpretation, since the occurrence of these microorganisms is limited to the photic zone and is common to stressful environments. The laminites of the studied area have been interpreted as formed in supralittoral mudflats in the vadose zone, while the stromatolites were formed in sublittoral environment, being constantly submerged. In addition to the microbialites, the Balbuena III Sequence consists of carbonates, siliciclastic and mixed facies which have been deposited in a lacustrine environment.