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Geology >
Death Valley >
Walk Through Time Johnnie Formation 4,000 foot thick, 600+ million years old. The Death Valley region was on the margin of a rising and falling sea for 300 million years. The purple mudstone was formed in a near-shore marine environment. Precambrian > Proterozoic eon > Neoproterozoic era > Ediacaran period Next > < Previous |
click the photo to return to the tour index Johnnie Formation |
| features - ecology: wildlife - plants - geography: places - region map - map/sat - roads & trails: route 66 - video - aerial - 360 photos - old west - communities - lodging |
| ghost towns - gold mines - parks & ...: joshua tree - death valley - mojave preserve - wilderness - native culture - history - geology: natural features - glossary - comments |
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