page_title: Horse Spring Formation
hierarchical_section_title: Horse Spring Formation
caption_attribution_description: English: Sedimentary layers within the horse spring formation Lovell Wash member 20 miles east of Las Vegas north of the highway about 1 mile. A series of changing lakes that came and went over a long period left various layers that had algae on the bottom often (stromatolites) that then fossilized.
context_page_description: The Horse Spring Formation is a geologic formation in Nevada. It preserves fossils dating back to the Neogene period. The lower unit is conglomerate and the middle and upper are sandstone and freshwater limestone.
context_section_description: The Horse Spring Formation is a geologic formation in Nevada. It preserves fossils dating back to the Neogene period. The lower unit is conglomerate and the middle and upper are sandstone and freshwater limestone.
caption: Horse spring formation closeup
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