James Ross Island

James Ross Island lies off the northeastern tip of the Antarctic Peninsula, separated from it by Prince Gustav Channel. Its exposed Cretaceous rocks preserve fossils and evidence of past climates.

Antarctic Peninsula: The long, mountainous extension of Antarctica toward South America. James Ross Island lies just off its northeastern tip.
Seymour Island: An Antarctic island near James Ross Island, known for rich Cretaceous and Paleogene fossil deposits. Its fossil record offers a close regional comparison.
Antarctic paleontology: The study of fossils from Antarctica and their implications for past life and environments. James Ross Island is a major source of Antarctic fossil material.
James Clark Ross: A British naval officer and polar explorer who led Antarctic expeditions in the nineteenth century. The island was named for this explorer.
Prince Gustav Channel: A waterway between the Antarctic Peninsula and James Ross Island. This channel separates the island from the peninsula.
Cape Lamb: A headland on James Ross Island with exposed Cretaceous sedimentary rocks. Its strata and fossils are among the island's studied sites.
Cretaceous–Paleogene extinction event: A global mass extinction about 66 million years ago that eliminated non-avian dinosaurs and many other groups. Nearby island strata help investigate Antarctic environments around this boundary.
Ross expedition: The British Antarctic expedition led by James Clark Ross from 1839 to 1843. The expedition mapped and named features in this region.
Antarctica: Earth's southernmost continent, largely covered by a thick ice sheet. The island belongs to Antarctica's northern maritime margin.
Santa Marta Formation: A Cretaceous rock formation exposed on James Ross Island. It preserves sedimentary deposits and fossils from the island's earlier Cretaceous record.

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