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Photo ID: h27p60	Subject: Sedimentary Rocks	Description
	Calcareous Tufa; Calcium Carbonate; Carbonates; Chemical Precipitation; Evaporation; Petrology; Playa Lakes; Precipitation; Sedimentary Structures	Tufa towers made of calcium carbonate, near Mono Lake California. Tufa is a chemical sedimentary rock composed of calcium carbonate, formed by evaporation as a think, surficial, soft, spongy, cellular or porous, semifriable incrustation around the mouth of a hot or cold calcareous spring or seep. It can also form along a stream carrying calcium carbonate in solution, or be precipitated by algae or bacteria.
	Photographer	Location
	Bruce Molnia Credit Line: Copyright © Bruce Molnia, Terra Photographics	North America; United States; California; Mono Lake
Photo Quality \| Large	Available for Commercial Use

Photo ID: h4vepp	Subject: Lakes/Ponds	Description
	Basin and Range; Basins; Deserts; Ephemeral Lakes; Geomorphology; Lacustrine Features; Mountains; Plains; Playa; Playa Lakes; Sebkha Environment	Nevada basin and range. Playa lake and the Snake Range.
	Photographer	Location
	Bruce Molnia Credit Line: Copyright © Bruce Molnia, Terra Photographics	North America; United States; Nevada; Snake Range
Photo Quality \| Large	Available for Commercial Use

Photo ID: ha4752	Subject: Sedimentary Rocks	Description
	Calcareous Tufa; Calcium Carbonate; Carbonates; Chemical Precipitation; Evaporation; Petrology; Playa Lakes; Precipitation; Sedimentary Structures	Tufa at Mono lake. Tufa is a chemical sedimentary rock composed of calcium carbonate, formed by evaporation as a think, surficial, soft, spongy, cellular or porous, semifriable incrustation around the mouth of a hot or cold calcareous spring or seep. It can also form along a stream carrying calcium carbonate in solution, or be precipitated by algae or bacteria.
	Photographer	Location
	Marli Miller Credit Line: Copyright © Marli Miller, University of Oregon	North America; United States; California; Mono Lake
Photo Quality \| Large	Available for Commercial Use

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