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the rocks and landscape of a famous New Mexico ranch
Rocks and landscape of a famous New Mexico ranch
1 online resource : illustrations, maps + 6 plates.
What this book is about -- A bird's-eye view: the Philmont landscape -- Landforms -- Water on the land: creeks and lakes -- Climate -- A closer view: the rocks, fossils, and water beneath the land -- Rocks beneath the plains -- Gravel and sand -- Black shale and orange shale -- Grey limestone -- Dark mica-rich lamporphyre -- Brown andesite -- Rocks of the benchlands -- Yellow sandstone and conglomerate -- Light-gray sandstone -- Shale -- Dark basalt -- Dacite porphyry -- Andesite -- Coal -- Rocks of the hummocky hillsides -- Rocks of the rugged mountains -- Spotted dacite porphyry -- Striped gneiss and schist -- Garnet schist -- Quartzite -- Diorite porphyry -- Pink granodiorite -- Yellow and gray quartz sandstone -- Red sandstone and conglomerate -- Red shale and black shale -- Limestone conglomerate -- Basalt -- Red bomb beds -- Pepper-and-salt diorite -- Rubble -- Ore deposits? -- Thoughts about rocks -- Water in the ground: the lake beneath us -- A cake of many layers: the rock sequence -- Putting the rocks on paper: naming and mapping formations -- When was this cake made? -- Missing layers -- Subsurface geologic processes at work -- Measuring the tilt of beds -- Deformed layers: tilted and folded rocks -- Deformed layers: broken rocks -- Philmont in three dimensions -- Uplift -- Injections of molten rock -- Volcanic eruptions -- Ground water in folded rocks: artesian water? -- Shaping the landscape -- The network of streams -- The special history of Cimarron Creek -- The high benchlands -- Deer Lake Mesa: hollowed by the wind? -- The southern benchlands, their meadows and lakes -- The lowland plains -- Waterfalls and mountain meadows -- The rugged mountain country -- Hummocky hillsides: fossil landslides -- Glaciers? -- Landscapes of the past -- Restless mountains, restless plains: the geologic history of Philmont -- Exit wondering -- Suggested reading -- About this book.
by G.D. Robinson [and three others]; illustrated by John R. Stacy.
"The geologic story of the last billion eventful years in the Philmont Ranch region, where the Cimarron Range rises from the High Plains."
Philmont country, the rocks and landscape of a famous New Mexico ranch
Robinson, G. D. (Gershon Du Vall), 1918-.
Geological Survey professional paper ; 505