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Geology >
Death Valley >
Walk Through Time Noonday Dolomite 1,000 foot thick, 800 million years old. An erosion resistant dolomite deposited in quiet seas. The vertical tubes vented carbon dioxide from the rotting algae underneath. Precambrian > Proterozoic eon > Neoproterozoic era > Cyrogenian period Next > < Previous |
click the photo to return to the tour index Noonday Dolomite Fossil Notes Scolithus ? tubes. |
| 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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