Results 41 to 50 of about 1,144 (173)
Abstract Fossil micrometeorites (MMs) recovered from lithified sedimentary rocks, particularly iron‐rich (I‐type) cosmic spherules (CSs) provide valuable insights into past dust‐forming events. Their abundances, when combined with estimates of local sedimentation rates can be used to reconstruct the flux of extraterrestrial dust.
Isabelle S. Mattia +2 more
wiley +1 more source
Stable carbon and oxygen isotopes were analysed in the structural CO3 of carbonate-fluorapatite in phosphate nodules and coprolites present in distinctive horizons at the Cenomanian – Turonian boundary and in late Turonian sequence at the ...
Khaldoun S. Al-Bassam
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Mid-Turonian ammonite faunas from northern Mexico
AbstractTuronian ammonite assemblages are described from six localities in the Ojinaga and Boquillas formations of Chihuahua in northern Mexico. These assemblages reveal the presence of the middle Turonian zones of Collignoniceras woollgari and Prionocyclus hyatti far to the south of previously documented occurrences. The Mexican collections include co-
Kennedy, W, Cobban, W
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A single specimen of a new acanthomorph fish is described from a Turonian locality sampling the northern part of the Cretaceous Western Interior Seaway.
Alison M Murray
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Upper cretaceous magmatic suites of the Timok magmatic complex [PDF]
The Upper Cretaceous Timok Magmatic Complex (TMC) developed on a continental crust composed of different types of Proterozoic to Lower Cretaceous rocks. The TMC consists of the magmatic suites: Timok andesite (AT) - Turonian-Santonian, Metovnica
Banješević Miodrag
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An Abelisauroid Theropod Dinosaur from the Turonian of Madagascar
Geophysical evidence strongly supports the complete isolation of India and Madagascar (Indo-Madagascar) by ∼100 million years ago, though sparse terrestrial fossil records from these regions prior to ∼70 million years ago have limited insights into their biogeographic history during the Cretaceous.
Andrew A Farke, Joseph J W Sertich
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Taxonomy of the Late Cretaceous desmoceratine ammonoid genus “Damesites” and allied taxa is revised and updated based on newly collected population samples from the Yezo Group, Hokkaido, Japan, together with their type specimens.
Tomohiro Nishimura, Haruyoshi Maeda
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The Turonian stage and substage boundaries
Formal definitions of the Cenomanian-Turonian and lower-middle Turonian boundaries are proposed, following discussions at the Second International Symposium on Cretaceous Stage Boundaries, held in Brussels, 8-16 September 1995. The Global boundary Stratotype Section and Point (GSSP, "golden spike") for the Cenomanian-Turonian boundary should be placed ...
Bengtson, P +9 more
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ABSTRACT The Lower Cretaceous Yamama Formation of southern Iraq represents a key carbonate reservoir within Iraq and the Middle East, yet its complex depositional facies architecture and diagenetic alterations present challenges for predicting reservoir quality.
A. K. A. Mohammed +8 more
wiley +1 more source
Turonian biostratigraphy in a part of Southwestern Bulgaria
A succession of outcrops in the region west of the town of Breznik has brought new biostratigraphic results concerning the Turonian Stage in the area. Integrated vertical distribution of ammonites, foraminifers, dinoflagellate cysts, pollen and spores is proposed for the first time in Bulgaria.
Velislav Minev +2 more
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