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The diamicton at Deadman Pass, central Sierra Nevada, California: a residual lag and colluvial deposit, not a 3 Ma glacial till

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The diamicton at Deadman Pass, central Sierra Nevada, California: a residual lag and colluvial deposit, not a 3 Ma glacial till; 1990; Article; Journal; Geological Society of America Bulletin; Bailey, R. A.; Huber, N. K.; Curry, R. R.

Summary

Evidence that the diamicton at Deadman Pass is not till includes the following: (1) distribution of the diamicton is limited to areas underlain by the distinctive clast-rich lower pyroclastic member of the quartz latite of San Joaquin Ridge, (2) clasts in the diamicton and in the lower pyroclastic member are identical, (3) clast lithologies in the diamicton reflect nearby sources, (4) glacial deposits are absent in well-exposed sections of the lower pyroclastic member, and (5) formation of diamicton from present-day weathering and mass wasting of outcrops of the lower pyroclastic member can be observed locally. -from Authors

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Type Scheme Key
local-index unknown 70015798
local-pk unknown 70015798
series unknown Geological Society of America Bulletin

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citationTypeArticle
journalGeological Society of America Bulletin
languageEnglish
parts
typevolume
value102
typeissue
value9

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