| Autore |
Robinson G. D (Gershon Du Vall), <1918->
|
| Pubbl/distr/stampa |
Washington : , : United States Department of the Interior, Geological Survey, , 1964
|
| Descrizione fisica |
1 online resource : illustrations, maps + + 6 plates
|
| Collana |
Geological Survey professional paper
|
| Soggetto topico |
Geology - New Mexico - Colfax County
Geology
|
| Formato |
Materiale a stampa  |
| Livello bibliografico |
Monografia |
| Lingua di pubblicazione |
eng
|
| Nota di contenuto |
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.
|
| Altri titoli varianti |
Philmont country
|
| Record Nr. | UNINA-9910709888203321 |
Info
The geologic story of Colorado National Monument / / by S.W. Lohman ; graphics by Arthur L. Isom and John R. Stacy
