A rock varnish interpretation of alluvial-fan development in Death Valley, California

Research output: Contribution to journalArticle

62 Scopus citations

Abstract

Analyses of rock varnish on Quaternary alluvial fans reveal that three cycles of fan development have been controlled by both climatic changes and tectonic activity. The most recent cycle of fan development, Q3, started before 50 000 BP and has continued to the present. A previous cycle, Q2, originated before 170 000 BP and ended after 105 000 BP. The earliest recorded cycle, Q1, started before about 800 000 BP and ended after 500 000 BP. -from Author

Original languageEnglish (US)
Pages (from-to)56-73
Number of pages18
JournalNational Geographic Research
Volume4
Issue number1
StatePublished - Jan 1 1988
Externally publishedYes

ASJC Scopus subject areas

  • Environmental Science(all)
  • Earth and Planetary Sciences(all)

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