Samuwar Tendaguru

Samuwar Tendaguru Ƙirƙirar Tendaguru, ko Gadajen Tendaguru ƙaƙƙarfan samuwar burbushin halittu da Lagerstätte dake cikin yankin Lindi na kudu maso gabashin Tanzaniya. Samuwar tana wakiltar mafi tsohuwar sashin sedimentary na Mandawa Basin, sama da ginshiƙan Neoproterozoic, rabuwa da dogon lokaci da rashin daidaituwa. Ya kai jimlar kauri mai ƙarfi fiye da mita 110 (360 ft). Samuwar ya kasance cikin shekaru daga marigayi Jurassic na Tsakiya zuwa farkon Cretaceous, Oxfordian zuwa matakan Hauterivian, tare da tushen samuwar mai yiwuwa ya faɗa cikin Callovian.http://epub.ub.uni-muenchen.de/12007/1/zitteliana_2008_b28_05.pdf

An raba Tsarin Tendaguru zuwa mambobi shida; Waɗannan su ne daga babba zuwa ƙarami Memba na Dinosaur Ƙananan, Memba Nerinella, Memba na Dinosaur na Tsakiya, Memba na Indotrigonia africana, Memba na Dinosaur na Upper, da kuma memba na Rutitrigonia bornhardti-schwarzi. Magajin ya ƙunshi jerin duwatsun sandstones, shales, siltstones, conglomerates tare da ƙananan limestones oolitic, wanda aka ajiye a cikin tekun gabaɗaya mara zurfi zuwa yanayin bakin teku, wanda ke da tasirin tidal, fluvial da lacustrine tare da ajiyar tsunami da ke faruwa a cikin memba na Afirka ta Indotrigonia. Yanayin Late Jurassic da Early Cretaceous ya kasance ɗan bushewa tare da ruwan sama na yanayi kuma matakin tekun eustatic yana tashi a cikin Late Jurassic daga ƙananan matakan a cikin Jurassic ta Tsakiya. Sake gine-ginen paleogeographical ya nuna yankin Tendaguru yana cikin yankin kudu masu zafi a lokacin Late Jurassic.https://www.foss-rec.net/5/207/2002/fr-5-207-2002.pdf

Tsarin Tendaguru ana ɗaukarsa mafi arziƙin Late Jurassic strata a Afirka. Samuwar ta samar da tarin burbushin kungiyoyi daban-daban; farkon dabbobi masu shayarwa, nau'ikan nau'ikan dinosaurs, crocodyliforms, amphibians, kifi, invertebrates da flora.https://www.foss-rec.net/12/141/2009/fr-12-141-2009.pdf Fiye da tan 250 (ton 250 dogayen ton; 280 gajerun tan) na kayan da aka aika zuwa Jamus yayin da ake tono albarkatu a farkon karni na 20. Taron faunal na Tendaguru yayi kama da Morrison Formation na tsakiyar-yammacin Amurka, tare da ƙarin namun daji da ba su kasance a cikin Morrison ba. Dabbobin dabbobin dinosaur da aka samu a cikin samuwar sun yi kama da na sauran rukunonin burbushin halittu na Late Jurassic; da sauransu Kimmeridge da Oxford Clays na Ingila, Sables de Glos, Argiles d'Octeville, Marnes de Bléville na Faransa, Alcobaça, Guimarota da Lourinhã Formations na Portugal, da Villar del Arzobispo Formation na Spain, da Shishugou, Kalazha da Shangshaximiao Ƙirƙiri a cikin Sin, Tsarin Toqui na Chile da Cañadón Calcáreo Samuwar da Morrison Formation, tare da kasancewar dinosaur tare da takwarorinsu iri ɗaya, misali, Brachiosaurus da Stegosaurus a cikin Morrison, da Giraffatitan da Kentrosaurus a cikin Tendaguru.https://www.foss-rec.net/5/19/2002/fr-5-19-2002.pdf

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