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Photo ID: h0wmdj	Subject: Sedimentary Rocks	Description
	Cedar Mesa Sandstone; Colorado Plateau; Erosional Features; Geomorphology	Monument Basin from the air, looking north to Junction Butte and Grand View Point. The spires result from wind and stream erosion removing the surrounding, less resistant rock. Jointing within the formation aids in the erosion process.
	Photographer	Location
	USGS Credit Line: Courtesy United States Geological Survey	North America; United States; Utah; Canyonlands National Park
Photo Quality \| Large

Photo ID: h0wmse	Subject: Structure	Description
	Colorado Plateau; Cross-Bedding; Cross-Stratification; Eolian Environment; Grand Canyon National Park; Lamination; Planar Bedding Structures; Sedimentary Structures	Compound cross-stratification (cross-bedding) in Esplanade Sandstone. Man at right gives scale to these complexly developed beds, which have been produced by stream or wind currents blowing sand across a surface on which sand was accumulating. Scouring of the stream floor by turbulent flowing water may create small depressions in the channel deposits, which later will be refilled by inclined beds.
	Photographer	Location
	USGS Credit Line: Courtesy United States Geological Survey	North America; United States; Arizona; Grand Canyon National Park
Photo Quality \| Large

Photo ID: h0wn3k	Subject: Structure	Description
	Cambrian; Canyons; Colorado River; Erosional Landforms; Grand Canyon National Park; Kaibab Limestone; Paleozoic; Permian; Precambrian; Sedimentary Structures; Stratigraphic Column; Tapeats Sandstone; Unconformity; Vishnu Schist	The Colorado River and Grand Canyon. This view shows the entire Paleozoic section from the Cambrian Tapeats Sandstone unconformably overlying the Precambrian Vishnu Schist near the bottom of the view, to the Permian Kaibab Limestone at the upper rim of the canyon. View Geological Time Scale for this image.
	Photographer	Location
	USGS Credit Line: Courtesy United States Geological Survey	North America; United States; Arizona; Grand Canyon National Park
Photo Quality \| Large

Photo ID: h0x14h	Subject: Sedimentary Rocks	Description
	Colorado Plateau; Cutler Formation; De Chelly Sandstone; Degradation; Denudation; Differential Erosion; Erosion; Erosional Features; Erosional Surfaces; Geomorphology; Mitten Buttes; Oregon Rock Shale; Permian; Sandstone; Shinarump Formation; Surface Processes	One of the Mitten Buttes of Monument Valley in Arizona. These monuments of the valley are created as soft shales of the Cutler Formation erode away, leaving massive vertically jointed slabs of sandstone without support. View Geological Time Scale for this image.
	Photographer	Location
	Bruce Molnia Credit Line: Copyright © Bruce Molnia, Terra Photographics	North America; United States; Arizona; Monument Valley Tribal Park
Photo Quality \| Large	Available for Commercial Use

Photo ID: h27b8x	Subject: Surface Processes	Description
	Bright Angel Shale; Canyon; Coconino Sandstone; Colorado Plateau; Colorado River; Erosional Features; Fluvial Features; Gorge; Hermit Shale; Kaibab Limestone; Muav Limestone; Paleozoic; Precambrian; Redwall Limestone; Stratigraphy; Supai Group; Tapeats Sandstone; Toroweap Formation; Valleys	Looking towards the North Rim of the Grand Canyon. View Geological Time Scale for this image.
	Photographer	Location
	Walter Leporati	North America; United States; Arizona; Grand Canyon National Park
Photo Quality \| Large	Available for Commercial Use

Photo ID: h27jy9	Subject: Sedimentary Rocks	Description
	Anticlines; Arcuate Structures; Degradation; Denudation; Entrada Formation; Eolian Features; Erosional Processes; Erosional Structures; Erosional Surfaces; Geomorphology; Jurassic; Landforms; Petrology; Sedimentary Structures; Surface Processes; Terrigenous Materials; Weathering	Delicate Arch, in the Entrada Sandstone of Arches National Park in Utah. View Geological Time Scale for this image.
	Photographer	Location
	Bruce Molnia Credit Line: Copyright © Bruce Molnia, Terra Photographics	North America; United States; Utah; Delicate Arch
Photo Quality \| Large	Available for Commercial Use

Photo ID: h27kno	Subject: Surface Processes	Description
	Bright Angel Shale; Canyons; Coconino Sandstone; Degradation; Denudation; Erosional Features; Erosional Processes; Erosional Surfaces; Geomorphology; Hermit Shale; Kaibab Formation; Landforms; Muav Limestone; Redwall Limestone; Rivers; Sedimentary Rocks; Stratigraphic Column; Stratigraphy; Supai Formation; Temple Butte Limestone; Topography; Toroweap Formation; Uplift; Valleys; Water Erosion	This view is of the North Rim and esplanade of the Grand Canyon.
	Photographer	Location
	Bruce Molnia Credit Line: Copyright © Bruce Molnia, Terra Photographics	North America; United States; Arizona; North Rim Grand Canyon National Park
Photo Quality \| Large	Available for Commercial Use

Photo ID: h27kxk	Subject: Sedimentary Rocks	Description
	Bedding; Bedding Plane Irregularities; Biogenic Structures; Bouma; Cross Bedding; Cross-Laminations; Cross-Stratification; Crossbedding; Ichnofossils; Laminations; Planar Bedding Structures; Primary Structures; Rippled; Sand Ridges; Sand Waves; Sandstone; Sedimentary Structures; Terrigenous Materials; Trace Fossils	Crossbedded and rippled sandstone with burrows at Point Lobos, California.
	Photographer	Location
	Bruce Molnia Credit Line: Copyright © Bruce Molnia, Terra Photographics	North America; United States; California
Photo Quality \| Large	Available for Commercial Use

Photo ID: h27l3r	Subject: Surface Processes	Description
	Differential Erosion; Erosional Processes; Erosional Surfaces; Geomorphology; Lyons Sandstone; Mesozoic; Permian; Sedimentary Rocks; Sedimentary Structures; Surface Features; Weathering	Differential erosion producing a honeycomb structure. Mesozoic sandstone, Garden of the Gods in Colorado Springs. View Geological Time Scale for this image.
	Photographer	Location
	Bruce Molnia Credit Line: Copyright © Bruce Molnia, Terra Photographics	North America; United States; Colorado; Garden of the Gods
Photo Quality \| Large	Available for Commercial Use

Photo ID: h27la8	Subject: Sedimentary Rocks	Description
	Canyon; Colorado Plateau; Erosion; Erosional Features; Geomorphology; Glacial Features; Landforms; Landscape; Plateaus; Sandstone; U Shaped Valley; Valleys	View of a valley in Colorado National Monument.
	Photographer	Location
	Bruce Molnia Credit Line: Copyright © Bruce Molnia, Terra Photographics	North America; United States; Colorado; Colorado National Monument
Photo Quality \| Large	Available for Commercial Use

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