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Geology >
Death Valley >
Walk Through Time Crystal Spring Formation 1.2 billion ears old and 3,000 foot thick. This formation contains several rock types, many of which were formed in either marine (salt water) or fresh water environments. Shown here are a purple shale, a sandstone with crossbedding or a conglomerate. Precambrian > Proterozoic eon > Mesoproterozoic era > Ectasian period Next > < Previous |
click the photo to return to the tour index Crystal Spring Formation |
| features - ecology: wildlife - plants - geography: places - region map - map/sat - roads & trails: route 66 - old west - communities - miscellaneous |
| ghost towns - gold mines - parks & ...: joshua tree - death valley - mojave preserve - wilderness - native culture - history - geology: natural features - glossary - comments |
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