Byrd Group, Churchill Mountains

In the northern part of the central Transantarctic Mountains between the Byrd and Nimrod Glaciers, Laird (1963), Skinner (1964, 1965), and Grindley and Laird (1969) described the stratigraphy of the Byrd Group in terms of the formations listed in Table 5.1  

All investigators agree that the rocks of the Byrd Group were deposited during the Cambrian Period because the Shackleton Limestone as well as the Taylor Formation (in the Shackleton Glacier area) contain fossils of Cambrian age (Laird and Waterhouse 1962 Hill 1964a, b Palmer and Gatehouse 1972 Yochelson and Stump 1977 Debrenne and Kruse 1986). 

Rowell et al. (1988a) published excellent photographs of the shelly fauna and of eodiscoid and polymeroid trilobites of the Shackleton Limestone in the Churchill Mountains and at the head of the Beardmore Glacier where outcrops of the Shackleton Limestone were desaibed by RoweU and Rees (1989) from an area south of Ml Bowers (85°00 S, 164°05 E) on Buckley Island. 

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