by G. D. Robinson, A.A.Wanek, W. H. Hays and M. E. McCallum
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
Gray limestone
Dark mica-rich lamprophyre
Brown andesite
Rocks of the benchlands
Yellow sandstone and conglomerate
Light-gray sand stone
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
The northern 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
Hummoeky hillsides : fossil landslides
Glaciers?
Landscapes of the past
Restless mountains, restless plains : the geologic history of Philmont
Exit wondering
Suggested reading
About this book
Plate 1: The Philmont Landscape
Plate 2: The Parade of Philmont Rocks
Plate 3: Geologic Map of the Philmont Ranch Region, New Mexico
Plate 4: Geology of Philmont
Plate 5: Geologic Sections of the Philmont Ranch Region, New Mexico
Plate 6: Geologic Structure of Philmont
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