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Geology: Walk Through Time

Wood Canyon Formation

2,500 foot thick, 570+ million years old. Purple sandstone was deposited near shore. This formation contains early trilobites, indicators of a later Cambrian explosion of life.

Precambrian > Proterozoic eon > Neoproterozoic era > Ediacaran period

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Fossil Notes

The trilobites are a major extinct class of marine arthropods with a calcite exoskeleton and a distinctively three-lobed form.

A few scattered olenellid trilobites and archaeocyathids in upper part of formation. Scolithus ? tubes.

Boundary Canyon Detachment Fault/Upper Plate

Geology: These are rocks of the upper plate of the Boundary Canyon detachment fault: The latest Precambrian Stirling formation and the Wood Canyon ...

ecology: wildlife - plants - geography: places - MAPS - map/sat - roads & trails: route 66 - old west - communities - weather - book store
ghost towns - gold mines - parks & public lands: wilderness - native culture - history - geology: natural features - glossary - comments
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