fschieber/wit-captions huggingface dataset:
Geographic distribution and phenotypic variation of Raphia frater subspecies: green – subsp. piazzi; pink – subsp. abrupta; black – subsp. frater; blue – subsp. coloradensis; yellow – subsp. cinderella. Multi-coloured circles indicate transitional populations and/or phenotypically intermediate specimens between respective subspecies. a R. f. piazzi; b R. f. abrupta; c R. f. abrupta; d R. f. abrupta; e R. f. abrupta; f, g R. f. frater; h R. f. abrupta – frater intermediate i R. f. abrupta – frater – coloradensis intermediate from highly variable population in Cherry Co., NE; j R. f. coloradensis; k R. f. coloradensis; l R. f. coloradensis; m R. f. coloradensis; n R. f. cinderella; o, p R. f. coloradensis – frater intermediates; q R. f. elbea; r R. f. elbea; s R. f. elbea. All specimens are males
Geographic distribution and phenotypic variation of Raphia frater subspecies: green – Raphia frater subsp. piazzi pink – Raphia frater subsp. abrupta black – Raphia frater subsp. frater blue – Raphia frater subsp. coloradensis yellow – Raphia frater subsp. cinderella Multi-coloured circles indicate transitional populations and/or phenotypically intermediate specimens between respective subspecies. a R. f. piazzi (Zavallo Co., TX) b R. f. abrupta (Oktibeha Co., MS) c R. f. abrupta (Cottle Co., TX) d R. f. abrupta (Cottle Co., TX) e R. f. abrupta (Montgomery Co., MD) f, g R. f. frater (Edmunston, NB) h R. f. abrupta – frater intermediate (Anne Arundel Co., MD) i R. f. abrupta – frater – coloradensis intermediate from highly variable population in Cherry Co., NE j R. f. coloradensis (Alamosa Co., CO) k R. f. coloradensis (Milk River valley, AB) l R. f. coloradensis (Sanpete Co., UT) m R. f. coloradensis (Elko Co., NV) n R. f. cinderella (Ventura Co., CA) o, p R. f. coloradensis – frater intermediates (Chelan Co., WA) q R. f. elbea (Cochise Co., AZ) r R. f. elbea (San Juan Co., UT) s R. f. elbea (Santa Cruz Co., AZ). All specimens are males.
Índex de Crónica de Aragón (1499), obra de Gualberto Fabricio de Vagad en la que els sobirans de la Corona d'Aragó estan numerats amb l'ordinal del regne Sobrarbe presentant-los d'aquesta manera en un baula ininterrompuda que els unia amb el mític regne de Sobrarbe:[17]
: García I
: Garcia II
: Aznar I 
: Sancho I
: Iñigo Arista
: Garcia III
: Sancho II
: Garcia IV
: Sancho III
: Ramiro I
: Sancho IV
: Pedro I
: Alfonso I
: Ramiro II 
: Alfonso II (Alfons el Cast)
: Pedro II (Pere el Catòlic)
: Jayme I (Jaume el Conqueridor)
: Pedro III (Pere el Gran)
: Alfonso III (Alfons el Franc)
: Jayme II (Jaume el Pacífic)
: Alfonso IV (Alfons el Benigne)
: Pedro IV (Pere el Cerimoniós)
: Johan I (Joan el Caçador)
: Martin I (Martí l'Humà)
: Fernando I (Ferran d'Antequera)
: Alfonso V (Alfons el Magnànim)
Català: Cronica d[e] Aragon / [Gualberto Fabricio de Vagad] / Roderic: Repositori de contingut lliure: http://roderic.uv.es/handle/10550/6385
Les zones de couleurs montrent la succession des conquêtes Tang, de 616 à 649 :
   617 : son père, gouverneur du Shanxi, se rebelle.  618 : protecteur de l'empire Sui ; 618 : dynastie Tang ; 622-626 : la pacification de l'empire est achevée.  630-682 : vassalité des territoires des Turcs orientaux.  641-670 : vassalité du Tibet, matérialisé par le mariage de Songtsen Gampo avec une princesse chinoise.  642-665 : vassalité des Turcs occidentaux.   (idem) 640-648 : bassin du Tarim, soumission des îlots de résistance du Nord ; 648 : action de terreur au Sud.  665-670 : conquête de la Corée (non indiquée sur la carte) Seules les deux zones les plus foncées constituent réellement l'empire Tang ; les 3 zones plus périphériques sont temporairement vassalisées. Le tracé des frontières est approximatif.
English: Boundaries or area which where -at one time- vassal states of the Tang Dynasty of China for the 616-665 period (have not korea). NB: borders are only indicatives. The map is mainly drawn following the current provincial borders of China, and current (2007) countries' borders. That's why borders are just indicative.    Shanxi (617 : his father is governor, Taizong encouraged him to revolt.)    Sui's Empire Protector (618). Tang dynasty 618. Controlled all of Sui's China by 622-626.    Submit the Oriental Turks territories (630-682)    Tibetan's King recognizes China as their emperor (641-670)    Submit the Occidental Turks territories (642-665)    Temporary conquest of Goguryeo and Baekje (661-668) Yug (talk) 14:06, 4 February 2007 (UTC)
Штати групуються в 9 регіонів:    Нова Англія: Мен, Нью-Гемпшир, Вермонт, Массачусетс, Род-Айленд, Коннектикут    Середньо-Атлантичні штати: Нью-Йорк, Нью-Джерсі, Пенсильванія    Північно-Східний Центр: Огайо, Індіана, Іллінойс, Мічиган, Вісконсин    Північно-Західний Центр: Міннесота, Айова, Міссурі, Південна Дакота, Північна Дакота, Небраска, Канзас    Південно-Атлантичні штати: Делавер, Меріленд, федеральний округ Колумбія, Вірджинія, Західна Вірджинія, Північна Кароліна, Південна Кароліна, Джорджія, Флорида    Південно-Східний Центр: Кентуккі, Теннессі, Алабама, Міссісіпі    Південно-Західний Центр: Арканзас, Луїзіана, Оклахома, Техас    Гірські штати: Монтана, Айдахо, Вайомінг, Колорадо, Нью-Мексико, Аризона, Юта, Невада    Тихоокеанські штати: Вашингтон, Орегон, Каліфорнія, Аляска, Гаваї.
১৮৯০ সালে তৈরি "হারাম আস শরীফ" বা[৩০] "আল-আকসার" নক্সা (ইহুদী ও খ্রিষ্টান ধর্মাবলম্বিদের নিকট "টেম্পল মাউন্ট" নামে পরিচিত)। ইতিহাসবিদ পণ্ডিত ইবনে তাহমিয়া বলেছেন ," আসলে সুলাইমান (আঃ) এর তৈরি সম্পূর্ণ উপাসনার স্থানটির নামই হল মসজিদুল আল-আকসা"।[৩১] মুহাদ্দিসগণ এই বিষয়ে একমত যে সম্পূর্ণ উপাসনার স্থানটিই ইসলামের নবী সুলাইমান (আঃ) তৈরি করেছিলেন যা পরবর্তীতে ধ্বংস হয়ে গিয়েছিল।[১৫] [টীকাঃ আল আকসা মসজিদ স্থাপনাটির (মুসলমানদের নিকট পবিত্র স্থানটুকু ) অবস্থান সম্বন্ধে একটি প্রচলিত ভুল ধারনা রয়েছে ।সবচেয়ে প্রচলিত সোনালি গম্বুজওয়ালা স্থাপনাটি আসলে কুব্বাত আল  সাখরা (ডোম অব দ্যা রক) [৩২]। ধূসর সীসার প্লেট দ্বারা আচ্ছাদিত গম্বুজওয়ালা স্থাপনাটি আসলে কিবলি মসজিদ। "আল-আকসা" মসজিদটি আসলে কিবলি মসজিদ , মারওয়ানি মসজিদ ও বুরাক মসজিদ ৩টির সমন্বয়[৩৩] যা "হারাম আল শরীফ" এর চার দেয়াল এর মধ্যেই অবস্থিত।[৩৪]]
English: A plan of the Haram al-Sharif in 1890, from Palestine Under the Muslims: A Description of Syria and the Holy Land from AD 650 to 1500, by Guy Le Strange, London 1890 (hence out of copyright)
Puente Nuevo, cây cầu nối 2 phần của thành phố Ronda tại Tây Ban Nha. Phía sau cửa sổ gần trung tâm của cây cầu là một gian nhà tù. Có những lời đồn rằng trong cuộc Nội chiến những người theo phe Quốc gia đã ném những người ủng hộ phe Cộng hoà xuống dưới hẻm núi El Tajo. Mặt khác, chính quyền xác nhận những hành động tàn bạo của những người Cộng hoà chống lại những người Quốc gia tại Ronda. "Vì thế trong tiểu thuyết Chuông nguyện hồn ai của Ernest Hemingway miêu tả về việc cư dân của một pueblo nhỏ đầu tiên đã đánh tất cả các thành viên nam giới của đảng phát xít bằng những chiếc đập lúa nặng và sau đó ném họ qua vách núi như thế nào gần với những điều thực tế xảy ra tại vùng núi Andalusian đẹp đẽ thuộc thị trấn Ronda. Tại đây 512 người đã bị giết hại trong tháng đầu tiên của cuộc chiến." [21]
English: Puente Nuevo de ROnda, Málaga, Spain.
El viroma humano en cinco hábitats corporales. (A) Todos los virus detectados en los cinco hábitats del cuerpo. Cada virus está representado por una barra de color y etiquetado en el eje y en el lado derecho. La altura relativa de la barra refleja el porcentaje de sujetos muestreados en cada sitio del cuerpo en los que se detectó el virus. En este panel, la barra que representa los roseolovirus en las muestras orales refleja la altura máxima de la barra, porque el 98% de las personas que se tomaron muestras en la boca albergaban roseolovirus. (B) Este panel muestra los virus del papiloma incluidos en la categoría 'Otros virus del papiloma'. La altura de barra más grande que se muestra representa los virus del papiloma no clasificados encontrados en muestras de piel del 65% de los sujetos.[15]​
English: edit figure
Fig. 4: Central tenets of direct parameter specification theory[50] and the action trigger account.[47][51] When the response to a target stimulus is sufficiently practiced, the response can be prepared to a degree where only a single critical stimulus feature is needed to specify and elicit the response. Response elicitation by the prime occurs quickly and directly without the need for a conscious representation of the stimulus. In parallel to these visuomotor processes, a conscious representation of primes and targets emerges which can be subject to visual masking but plays no role in the actual motor processing in the current trial. More recent variants of the theory stress the role of so-called trigger conditions which determine how stimuli and responses are linked in a given task.[47][51]
English: Direct parameter specification
Schematic illustration of multi-peaked neurons. Blue dotted line shows a classical tuning curve for a 'single-peaked' frequency selective neuron with a best frequency (BF) at around 500Hz, as illustrated by the maximal response of this neuron to frequencies around this BF. The red solid line shows a schematic response of a multi-peaked neuron identified by Kadia and Wang (2003). In addition to a BF at 300Hz, this neuron is also excited by tones at 600Hz and 900Hz - i.e., frequencies in harmonic relation to the principal BF. Although not illustrated here, responses of such neurons to harmonic complexes (in this case, consisting of 300, 600, and 900 Hz for example) often had an additive effect, eliciting responses greater than that of a pure tone at the BF (i.e., 300Hz) alone. See reference [18]
English: multipeaked neuron - schematic of Kadia and Wang 2003's findings
An 11th-century Syriac manuscript. The Syriac language is a dialect of Middle Aramaic that was once spoken across much of the Fertile Crescent. Classical Syriac  became a major literary language throughout the Middle East from the 4th to the 8th centuries,[15] the classical language of Edessa, preserved in a large body of Syriac literature. Syriac  became the vehicle of Eastern Orthodox Christianity and culture, spreading throughout Asia. Before Arabic became the dominant language, Syriac was a major language among the Assyrian Christian communities of the Middle East and Central Asia. Several Syriac manuscripts of the Alexander romance exist, dating from the 7th century. The Greek–Syriac translators are generally credited with introducing the works of the ancient Greeks to pre-Islamic Arabia.
Español: Libro del siglo XI escrito en arameo. Slovenščina: Rokopis v sirski pisavi iz The Schøyen Collection MS 577, Oslo in London. Syriac Sertâ book script. Gora Sinaj, Egipt, približno 11. stoletje. English: The Schøyen Collection MS 577, Oslo and London. Syriac Sertâ book script. Mt. Sinai, Egypt, ca. 11th c. Hermologion: Heirmos 705-709, Melchite Use. MS in Syriac on paper, 2 ff., 20x14 cm, 16 lines in Syriac Sertâ book script, knotwork decorated headpiece, marginal drawings of roundels, interlace patterns, etc. in black and red. From the Monastery of St Catherine, Mt Sinai. Elizabeth G. Sørenssen & Jingru Høivik: photography and formatting.
Worldwide official use of foreign currency or pegs. The ruble is used in Russia and the partially recognized states of Abkhazia, South Ossetia, Donetsk People's Republic, and Luhansk People's Republic.   Russian ruble users, including the Russian Federation   US dollar users, including the United States   Currencies pegged to the US dollar   Euro users, including the Eurozone   Currencies pegged to the euro 
   Australian dollar users, including Australia   New Zealand dollar users, including New Zealand   South African rand users (CMA, including South Africa)   Indian rupee users and pegs, including India   Pound sterling users and pegs, including the United Kingdom 
   Special drawing rights or other currency basket pegs   Three cases of a country using or pegging the currency of a neighbour
English: Foreign Currency uses and pegs, Russian ruble included
Steps in numerical modeling. The first step in numerical modeling is to capture the actual geological scenario quantitatively. For example, in mantle convection modeling, heat equations are used to describe the heat energy circulating in the system while Navier–Stokes equations describe the flow of viscous fluid (the mantle rock). Second, since these equations are difficult to solve, discretization and numerical methods are chosen to make an approximation to the governing equations. Then, algorithms in the computer can calculate the approximated solutions. Finally, interpretation can be made from those solutions. For instance, in mantle convection modeling, the flow of mantle can first be visualized. Then, the relationship between the patterns of flow and the input parameters may be concluded.
Livelli risedimentati entro facies di rosso ammonitico. A sinistra: livello di brecce con clasti intra-formazionali e noduli rimaneggiati immersi in abbondante matrice marnosa rossa, in livelli del Domeriano. Il livello si distingue nettamente da quelli sottostanti e soprastanti (non rimaneggiati) per l’assetto caotico. A destra: livello di megabreccia dello spessore di diversi metri che interessa livelli di rosso ammonitico di età toarciana. In questo caso si tratta di clasti di origine sia intra-formazionale che extra-formazionale (da formazioni più antiche, come il Calcare di Domaro), “imballati” entro una matrice marnosa rossa. Questi livelli si sviluppano al margine di un paleoalto, in ambiente pelagico, per franamenti successivi in seguito ad attività tettonica. Alta Brianza (Lombardia).
levels of breccia in ammonitico rosso facies (Italy, Lombardy)
A 13th-century depiction of the Second Battle of Lincoln, which occurred at Lincoln Castle on 20 May 1217 during the First Barons' War between the forces of the future Louis VIII of France and those of King Henry III of England. Louis' forces were attacked by a relief force under the command of William Marshal, 1st Earl of Pembroke. Thomas du Perche, the Comte de la Perche, who was commanding the French troops, was killed; the illustration depicts his death. Perche had come to England to try and recover the honour of Perche which had been lost in 1204 by his mother (a niece of John, King of England) – this included Newbury and Shrivenham in Berkshire, Toddington in Buckinghamshire, and Haughley in Suffolk. This heavy defeat led to Louis being expelled from his base in the southeast of England.
English: A 13th-century depiction of the Second Battle of Lincoln, which occurred at Lincoln Castle on 20 May 1217 during the First Barons' War between the forces of the future Louis VIII of France and those of King Henry III of England. Louis' forces were attacked by a relief force under the command of William Marshal, 1st Earl of Pembroke. Thomas du Perche, the Comte de la Perche, who was commanding the French troops, was killed; the illustration depicts his death. Perche had come to England to try and recover the honour of Perche which had been lost in 1204 by his mother (a niece of John, King of England) – this included Newbury and Shrivenham in Berkshire, Toddington in Buckinghamshire, and Haughley in Suffolk. This heavy defeat led to Louis being expelled from his base in the southeast of England.
1. Боєголовка (Gefechtskopf)
 2. Гіроскопічна система (Kreiselsteuerung)
 3. Система управління і контролю функціонування (Steuerung und Funkkontrolle)
 4. Бак рідкого палива (спирт)(Treibstoff-Tank (Alkohol))
 5. Корпус ракети (Raketenkörper)
 6. Бак кисню (Sauerstoff-Tank)
 7. Бак перекису водню (Wasserstoffperoxid-Tank)
 8. Бак охолоджувальної речовини (азот)(Kühlmittel-Tank (Stickstoff)
 9. Перекисоводневий двигун (Wasserstoffperoxid-Motor)
 10. Турбопомпа (Turbopumpe)
 11. Спиртово-кисневий пальник (Alkohol/Sauerstoff-Brenner)
 12. Корпус двигуна малої тяги (Triebwerkskörper)
 13. Головна камера згоряння (Hauptbrennkammer)
 14. Лопать стабілізатора (Stabilisierungflosse)
 15. Вприскувач спирту (Alkohol-Einspritzung)
 16. Газоструменевий руль (Gasruder)
 17. Аеродинамічний руль (Luftruder)
Schéma znázorňujúca dráhu telies vystrelených vodorovne rôznymi rýchlosťami. Vplyv trenia atmosféry je tu zanedbaný. Predmet A bol vystrelený malou rýchlosťou a preto preletel najkratšiu balistickú dráhu. Predmet B bol vystrelený väčšou rýchlosťou a preto preletel dlhšiu dráhu, kým dopadol na povrch. Predmet C bol vystrelený prvou únikovou rýchlosťou. Jeho klesanie pod vplyvom gravitácie má rovnakú hodnotu, ako zakrivenie Zeme a preto nikdy na Zem nedopadne – dostalo sa na kruhovú obežnú dráhu. Predmet D bol vystrelený vyššou ako prvou únikovou, ale nižšou ako druhou uníkovou rýchlosťou – jeho stúpanie je väčšie, ako zakrivenie Zeme, ale pod vplyvom jej gravitácie sa aj tak vracia do východiskového bodu. Predmet E bol vystrelený takou veľkou rýchlosťou, že z gravitačného pôsobenia Zeme unikol.
A space object, i.e. a satellite in Earth orbit, or any other space object either natural or man made, is physically connected to the tether system. The tether system comprises a deployer from which a conductive tether having a bare segment extends upward from space object. The positively biased anode end of tether collects electrons from the ionosphere as space object moves in direction across the Earth's magnetic field. These electrons flow through the conductive structure of the tether to the power system interface, where it supplies power to an associated load, not shown. The electrons then flow to the negatively biased cathode where electrons are ejected into the space plasma, thus completing the electric circuit. (source: U.S. Patent 6,116,544, "Electrodynamic Tether And Method of Use".)
English: Tether Generator Circuit
Regulation der Genexpression durch Proteine in Nuclear Speckles: Die RNA-Verarbeitung, vom Ort der Transkription bis zum Kernexport, wird durch mehrere Proteine reguliert, die in Nuclear Speckles lokalisiert sind. Der Weg der RNA-Prozessierung im Zellkern beginnt mit der Transkriptionsinitiierung. Mehrere Proteine, von denen viele in Nuclear Speckles vorkommen, sind für die Verarbeitung des primären Transkripts verantwortlich, einschließlich Spleißen, m6A-Modifikation, 3′ Endverarbeitung und Export. In der Abbildung sind Beispiele für Proteine mit bekannten Funktionen in Transkription und RNA-Reifung dargestellt (grüne Punkte). Darüber hinaus ist eine große Gruppe anderer mit Nuclear Speckles assoziierter Proteine indirekt an der präzisen Regulation der RNA-Verarbeitung beteiligt (rote Punkte)
Censura de una obra de Erasmo, en la que el censor se ensaña incluso con la imagen del humanista. El erasmismo y el antierasmismo caracterizaron la vida intelectual española de la primera mitad del siglo XVI. La victoria de los antierasmistas significó una todavía mayor intolerancia religiosa (incluso una verdadera erasmofobia), que en la siguiente mitad del siglo se convirtió incluso en un cierre a toda influencia foránea.       En el proceso del Brocense, un estudiante legista, llamado Juan Pérez, acusa al Maestro Sánchez de «hablar de Erasmo con elogio, refiriendo el dicho de un canónigo de Salamanca: «Quien dice mal de Erasmo, o es fraile o es asno»; y... que si no hubiera habido frailes las obras de Erasmo fueran buenas, y no habría nada vedado en ellas».  Marcelino Menéndez Pelayo.[61]​
English: Erasmus of Rotterdam censored by the Index Librorum Prohibitorum Español: Erasmo de Rotterdam censurado por la Congregación del Índice de Libros Prohibidos Français : Érasme de Rotterdam censuré par l'Index Librorum Prohibitorum (index des livres interdits par le Vatican)
Phase portrait of van der Pol's equation, 
  
    
      
        
          
            
              
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    {\displaystyle {\frac {d^{2}y}{dt^{2}}}+\mu (y^{2}-1){\frac {dy}{dt}}+y=0}
  
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Kartu pos tahun 1908 menunjukkan sembilan belas penguasa monarki dunia yang sedang berkuasa: (kiri ke kanan) (1) Rama V/Chulalongkorn, Raja Siam (2) George I, Raja Yunani (3) Peter I, Raja Serbia (4) Carol I, Raja Romania (5) Franz Joseph, Kaisar Austria-Hungaria (6) Ferdinand I, Tsar Bulgaria (7) Abdul Hamid II, Khalifah dan Sultan-Padisyah Utsmani (8) Vittorio Emanuele III, Raja Italia (9) Nikolai II, Kaisar dan Autokrat Rusia (10) Edward VII, Raja Inggris Raya dan Kaisar India (11) Wilhelm II, Kaisar Jerman dan Raja Prusia (12) Gustaf V, Raja Swedia (13) Haakon VII, Raja Norwegia (14) Frederick VIII, Raja Denmark (15) Wilhelmina, Ratu Belanda (16) Zaitian, Kaisar Guangxu Tiongkok (17) Mutsuhito, Kaisar Meiji Jepang (18) Manuel II, Raja Portugal dan Algarves (19) Alfonso XIII, Raja Spanyol.
A Bangweulu-tó (balra fent) és a Bangweulu-mocsár (középen) műholdas felvételen. A sötétzöld területek nyílt vízfelületek. Jelölések: 1 Chifunabuli-tó, 2 Lifunge félsziget, 3 Mbabala-sziget, 4 Walilupe-tó, 5 Chishi-sziget, 6 Chilubi-sziget, 7 Lifunge Mwenzi-sziget, 8 Nsumbu-sziget, 9 Kampolombo-tó, 10 Kapata félsziget, 11 Kangwena-tó, 12 Chali-tó, 13 Chaya-tó, 14 Wumba-tó, 15 Pook lagúna, 16 a Lupososhi torkolata, 17 a Luena torkolata, 18 a Lukuto torkolata, 19 a Chambeshi torkolata, 20 Luansenshi-folyó, 21 Füves árterületek, 22 Chichile-sziget, 23 Kasansa-sziget, 24 Panyo- sziget, 25 Nsalushi- sziget, 26 Ncheta- sziget, 27 Lunga homokpad, 28 Kasenga, 29 Kataba, 30 Lubwe, 31 Kasaba, 32 Twingi, 33 Chaba, 34 Kongói nyúlvány. Műholdas felvétel: Jeff Schmaltz, MODIS Rapid Response Team, NASA/GSFC
Satellite photograph of Lake Bangweulu (upper left) and the Bangweulu Swamps (centre). Water shows as dark green. Key: 1 Lake Chifunabuli, 2 Lifunge Peninsula, 3 Mbabala Island, 4 Lake Walilupe, 5 Chishi Island, 6 Chilubi Island, 7 Lifunge Mwenzi Island, 8 Nsumbu Island, 9 Lake Kampolombo, 10 Kapata Peninsula, 11 Lake Kangwena, 12 Lake Chali, 13 Lake Chaya, 14 Lake Wumba, 15 Pook Lagoon, 16 Lupososhi Estuary, 17 Luena Estuary, 18 Lukuto Estuary, 19 Chambeshi Estuary, 20 Luansenshi River, 21 Grassy floodplains, 22 Chichile Island, 23 Kasansa Island, 24 Panyo Island, 25 Nsalushi Island, 26 Ncheta Island, 27 Lunga Bank, 28 Kasenga, 29 Kataba, 30 Lubwe, 31 Kasaba, 32 Twingi, 33 Chaba, 35 Congo Pedicle. Satellite image credit: Jeff Schmaltz, MODIS Rapid Response Team, NASA/GSFC
Sezione lucida di calcare a Orthoceras, dal Siluriano Superiore-Devoniano Inferiore di Erfoud (Marocco). Sono visibili sezioni assiali di nautiloidi ortoceratidi: a) setti; b) sifone, in posizione centrale e privo di depositi); c) anelli di connessione, cilindrici; d) colletti settali, in questo caso molto corti e ortocoanitici; e) depositi endocamerali, gradatamente più sviluppati verso l'apice della conchiglia: in questo caso murali, cioè a contatto con la parete esterna, e episettali, cioè sul lato del setto verso l'apertura (non presenti in questo caso depositi iposettali, cioè sul lato del setto verso l'apice); f) riempimenti parziali di sedimento entro le camere (da non confondersi con depositi endocamerali). le camere dei fragmoconi sono riempite per la maggior parte da calcite spatica
Polished section of Late Silurian-Devonian Orthoceras limestone (Erfoud, Morocco). Internal characters of orthoceratid nautiloids; a)septa; b)siphuncle; c) connecting rings d)septal necks (short & othocoanitic); e)endocameral deposits; f)sediment infillings. The camerae of the shells are mostly infilled by spathic calcite. Dimensions: 4x3 cm.