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Stromatolites in the Mesoproterozoic Bass Formation

Photograph of stromatolites in the Mesoproterozoic Bass Formation. The stromatolites appear as alternating bands of tan and brown.

Stromatolites are among the oldest fossils in the world. Their presence indicates deposition in a warm, shallow marine environment.

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NPS photograph by Carl Bowman

Public domain:Full Granting Rights

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Grand Canyon National Park, Code: GRCA

Grand Canyon National Park, Arizona
Latitude: 36.3291397094727, Longitude: -112.790603637695

NPS.gov Collection

01/01/0001

Public Can View

Friday, June 4, 2021 2:26:04 PM

Friday, June 4, 2021 2:26:04 PM

GRCA_26.jpg

Monday, January 1, 0001 12:00:00 AM

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5.3 MB

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