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Cambrian quartzite

This sandstone, made up mostly of quartz grains, is an example of Cambrian quartzite. This type of deposit is very widespread in North America (and in other areas of the world), where it blankets the "Great Unconformity," the erosional surface marking the contact between crystalline basement and overlying sedimentary rocks. Sawatch Formation, vicinity of Colorado Springs, CO, USA

sandstone quartzite widespread deposits Cambrian

Two Contributions at Ichnia 2024

Research mostly funded by the Geoscience Research Institute was presented at the 5th International Congress…

STEM Tuesdays

Educational, hands-on videos, produced by the NAD Department of Education in collaboration with GRI,…

Cambrian Explosion

A deeper look at the appearance of various phyla in the geologic column

Two Poster Presentations at the 10th Hutton Symposium on Granites and Related Rocks

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Images On the Topic of widespread deposits

Cambrian quartzite

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Two Contributions at Ichnia 2024

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STEM Tuesdays

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Cambrian Explosion

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Two Poster Presentations at the 10th Hutton Symposium on Granites and Related Rocks

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