Geology of the Ramírez Nunatak, Jason Peninsula, Antarctic Peninsula

• Language: unknown
• Published: 2006
• Subjects: Antarctica; Geochemistry; Mid-Jurassic; Paleobotany; Volcanism; continental breakup; Gondwana; ignimbrite; Jurassic; large igneous province; rhyolite; sandstone; tuff; volcanic ash; volcaniclastic deposit; Antarctic Peninsula; Patagonia; South America; West Antarctica; Acer; Antarctic; Argentina; Jason Peninsula; Antarc*
• Online Access: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00044822_v61_n3_p383_delValle; https://hdl.handle.net/20.500.12110/paper_00044822_v61_n3_p383_delValle

The 118 m thick volcanic sequence exposed at the Ramírez Nunatak, western Jason Peninsula (65°57′S, 60°33′W), Antarctic Peninsula, is composed of a lower section where ash fall tuffs and volcanic sandstones are exposed, and an upper section dominated by rhyolithic ignimbrites. The volcaniclastic sed...