Photogeologic and reconnaissance geologic map of the Hathaway NW and Butterfly Creek quadrangles, Custer and Rosebud counties, Montana
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Miscellaneous Field Studies Map↗
Geology topics
J.L. Klockenbrink
Publications and source records attributed to J.L. Klockenbrink.
Photogeologic and reconnaissance geologic map of the Smith Creek and Smith Creek NE quadrangles, Rosebud County, Montana
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Miscellaneous Field Studies Map↗
Photogeologic and reconnaissance geologic map of the Griffin Coulee and Griffin Coulee SW quadrangles, Rosebud and Treasure counties, Montana
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Miscellaneous Field Studies Map↗
Photogeologic and reconnaissance geologic map of the Mitchell Coulee and Crain Place quadrangles, Rosebud County, Montana
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Miscellaneous Field Studies Map↗
Photogeologic map and reconnaissance geologic map of the Schultz Coulee Quadrangle, Rosebud County, Montana
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Miscellaneous Field Studies Map↗
Photogeologic map and reconnaissance geologic map of the Griffin Coulee NE and NW quadrangles, Rosebud County, Montana
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Miscellaneous Field Studies Map↗
Photogeologic map and reconnaissance geologic map of the Rosebud and Thrulow quadrangles, Rosebud County, Montana
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Miscellaneous Field Studies Map↗
Photogeologic and reconnaissance geologic map of the Finch NE Quadrangle, Rosebud County, Montana
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Miscellaneous Field Studies Map↗
Photogeologic and reconnaissance geologic map of the Donleys Reservoir Quadrangle, Rosebud County, Montana
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Miscellaneous Field Studies Map↗
Photogeologic and reconnaissance geologic map of the Miller Creek SW Quadrangle, Custer and Rosebud counties, Montana
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Miscellaneous Field Studies Map↗
Photogeologic and reconnaissance geologic map of the Miller Creek Quadrangle, Custer and Rosebud counties, Montana
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Miscellaneous Field Studies Map↗
Photogeologic and reconnaissance geologic map of the Nichols Quadrangle, Rosebud County, Montana
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Miscellaneous Field Studies Map↗
Photogeologic and reconnaissance geologic map of the Finch Quadrangle, Rosebud County, Montana
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Miscellaneous Field Studies Map↗
Photogeologic and reconnaissance geologic map of the Horton Quadrangle, Custer and Rosebud counties, Montana
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Miscellaneous Field Studies Map↗
Ridges and scarps in the equatorial belt of Mars
The morphology and distribution of ridges and scarps on Mars in the ± 30° latitude belt were investigated. Two distinct types of ridges were recognized. The first is long and linear, resembling mare ridges on the Moon; it occurs mostly in plains areas. The other is composed of short, anastomosing segments and occurs mostly in ancient cratered terrain and intervening plateaus. Where ridges are eroded, landscape configurations suggest that they are located along regional structures. The age of ridges is uncertain, but some are as young as the latest documented volcanic activity on Mars. The origins of ridges are probably diverse-they may result from wrinkling due to compression or from buckling due to settling over subsurface structures. The similar morphologic expressions of ridge types of various origins may be related to a similar deformation mechanism caused by two main factors: (1) most ridges are developed in thick layers of competent material and (2) ridges formed under stresses near a free surface.
The Moon and the Planets↗