Fremouw Formation [SEP] continent
Fremouw Formation
The Fremouw Formation is a Triassic-age rock formation in the Transantarctic Mountains of Antarctica. Fossils of prehistoric reptiles and amphibians have been found in the formation. Fossilized trees have also been found. The formation's beds were deposited along the banks of rivers and on floodplains. During the Triassic, the area would have been a riparian forest at 70–75°S latitude.
Stratigraphy.
The Fremouw Formation is mostly Triassic in age, with the oldest rocks dating back to the latest Permian. Much of the
and Beardmore glaciers in places such as Gordon Valley and Fremouw Peak.
Biota Paleoenvironment.
Well-preserved plants are common in the Fremouw Formation. Logs have been found in channel deposits and roots and stems have been found in permineralized soil. Smaller fossils on Fremouw Peak include cycads, horsetails, seed ferns, Osmundaceae ferns, and even fungi. One cycad called "Antarcticycas" is similar in appearance to the living "Bowenia" of Australia. In 2003, 99 fossilized tree trunks were described from Gordon Valley. These trunks