Pioche Shale
The Pioche Shale is an Early to Middle Cambrian Burgess shale-type Lagerstätte in Nevada.It spans the Early–Middle Cambrian boundary; fossils from the Early Cambrian are preserved in botryoidal haematite, whereas those from the Middle Cambrian are preserved in the more familiar carbon films, and very reminiscent of the Chengjiang County preservation. It preserves arthropods and worms familiar from the Burgess Shale. It spans the early Cambrian Olenellus and basal Middle Cambrian Eokochaspis nodosa trilobite zones.
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Pioche Shale
The Pioche Shale is an Early to Middle Cambrian Burgess shale-type Lagerstätte in Nevada.It spans the Early–Middle Cambrian boundary; fossils from the Early Cambrian are preserved in botryoidal haematite, whereas those from the Middle Cambrian are preserved in the more familiar carbon films, and very reminiscent of the Chengjiang County preservation. It preserves arthropods and worms familiar from the Burgess Shale. It spans the early Cambrian Olenellus and basal Middle Cambrian Eokochaspis nodosa trilobite zones.
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The Pioche Shale is an Early t ...... yon, as the Bright Angel Shale
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22,036,824
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715,940,747
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The Pioche Shale is an Early t ...... haspis nodosa trilobite zones.
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Pioche Shale
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