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Weathering in the TEXAS Ecoregions

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by

Estella Trevino Lopez

on 14 October 2012

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Transcript of Weathering in the TEXAS Ecoregions

TEXAS Ecoregions effects of WEATHERING WEATHERING EROSION DEPOSITION HIGH PLAINS PINEY WOODS EDWARDS PLATEAU
LLANO
UPLIFT TRANS PECOS
AND
CHIHUAHUAN
DESERT is the breaking down of the Earth's land forms The MOVEMENT
of the broken
land forms The NEW PLACEMENT
of the broken
off landform CLIMATE
DRY
EXPERIENCES WEATHERING WIND EROSION CHEMICAL WEATHERING involves a
chemical change
within the
rock's minerals MECHANICAL WEATHERING involves the physical breaking of rock ELEVATIONS IS LESS THE 100 TO OVER 3000 FEET ABOVE SEA LEVEL IT IS FULL OF THOUSANDS OF CAVES HIDDEN WITH UNDERGROUD LAKES KNOWN AS EDWARDS AQUIFERS RANCHING IS A PRIMARY AGRICULTURAL INDUSTRY ALSO KNOWN AS TEXAS HILL COUNTRY WITH SPRINGS STONY HILLS AND STEEP CANYONS MECHANICAL WEATHERING ON THE SURFACE OCCURS THROUGH EXFOLIATION EXFOLIATION IS THE PEELING OF SHEETS INSTEAD OF SMALL SEDIMENTS ALSO KNOWN AS CENTRAL MINERAL REGION REGION IS CHARACTERIZED BY LARGE GRANITE DOMES ELEVATIONS IS 825 FEET TO 2250 FEET ABOVE SEA LEVEL RANCHING IS ALSO THE PRIMARY SOURCE OF AGRICULTURAL INDUSTRY PALO DURO CANYON WAS FORMED BY WATER EROSION BY THE FORK OF THE RED RIVER THE CANYON BECOMES DEEPER AS THE WATER MOVES SEDIMENT DOWNSTREAM EXTENDED DROUGHTS HAVE OCCURRED HERE SEVERAL TIMES ELEVATIONS ARE 3000 TO 4500 FEET ABOVE SEA LEVEL SURFACE SOILS RANGE FROM CLAYS TO HARDLAND SITES CALICHE UNDERLIES AT DEPTHS OF 2 TO 5 FEET GUADALUPE MOUNTAINS
DAVIS MOUNTAINS EROSION OCCURS DUE TO DECLINE IN GRASSLAND FLASHFLOODS AND RAPID RUNOFF ARE AGENTS OF EROSION IN THE PARK EROSION OF LIMESTONE IS DUE TO ACID RAIN ELEVATIONS RANGE FROM 2500 TO MORE THAN 8749 FEET ABOVE SEA LEVEL SOILS ARE VARIED BY VOLCANIC ROCK AND LIMESTONE SOME ARE HIGH IN SALT CONTENT DUE TO THE SALT BASIN VERY LITTLE EROSION TAKES PLACE DUE TO HIGH VEGETATION SEDIMENTS ARE CARRIED AND DEPOSITED ALONG THE RIVER ROUTES ELEVATIONS IS 200 TO 500 FEET ABOVE SEA LEVEL SOIL ARE ACIDIC AND PALE TO DARK GRAY SANDS/ SANDY LOAMS GULF COAST PLAINS
AND
MARSHES WAVE ACTION CAUSE CONSTANT WEATHERING, EROSION, AND DEPOSITION ELEVATION IS LESS THAN 150 FEET ABOVE SEA LEVEL SOILS ARE ACIDIC SANDS AND SANDY LOAMS WITH CLAY OCCURING PRIMARILY IN RIVER BOTTOMS SOUTH TEXAS
BRUSH COUNTRY SOILS ARE ALKALINE TO SLIGHTLY ACIDIC CLAYS AND CLAY LOAMS ELEVATIONS RANGE FROM 300 TO 1000 FEET ABOVE SEA LEVEL FEATURES IN TEXAS
DESERTS, CANYONS, MOUNTAINS, BEACHES,
MEADOWS OF WILDFLOWERS, SWAMPS, AND
PINE FOREST
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