Stratigraphy, sedimentary petrology and provenance of the Sobral and Cross Valley formations (Paleocene), Marambio (Seymour) Island, Antarctica. ... : علم طبقات الأرض، وعلم الصخور الرسوبية ومصدر تكوينات سوبرال وكروس فالي (العصر الباليوسيني)، جزيرة مارامبيو (سيمور)، أنتاركتيكا. ...

• Main Authors: Sergio A. Marenssi, Sergio Santillana, Mauro Bauer
• Format: Text
• Language: English
• Published: OpenAlex 2012
• Subjects: Geochemistry of Manganese Oxides in Sedimentary Environments; Geochemistry and Petrology; Earth and Planetary Sciences; Physical Sciences; Climate Change and Paleoclimatology; Atmospheric Science; Paleoredox and Paleoproductivity Proxies; Paleontology; Sedimentary Rocks; Geology; FOS Earth and related environmental sciences; Provenance; Unconformity; Sedimentary rock; Facies; Clastic rock; Pyroclastic rock; Stratigraphy; Structural basin; Volcanic rock; Volcano; Geochemistry; Geomorphology; Tectonics; Antarctic; Antarctic Peninsula; Seymour; Seymour Island; Marambio; Sobral; Cross Valley; Antarc*; Antarctica
• Online Access: https://dx.doi.org/10.60692/f41n0-0vr71; https://gresis.osc.int//doi/10.60692/f41n0-0vr71

The unconformity bounded Paleocene Sobral and Cross Valley formations represent part of the uppermost infill of the James Ross Basin of northeastern Antarctic Peninsula. Both units have been subdivided into allomembers since they also present internal unconformities. The Sobral Formation represents...