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Goblin soil and landscape

General setting: White Rim region of The Maze and Island in the Sky Districts, Canyonlands National Park

Elevation: 3,980 to 5,210 feet (1,214 to 1,587 meters)

Mean annual precipitation: 5 to 9 inches (127 to 229 millimeters)

Mean annual air temperature: 53 to 59 degrees F (11.7 to 15.0 degrees C)

Mean annual soil temperature: 55 to 61 degrees F (12.8 to 16.1 degrees C)

Frost-free period: 175 to 195 days

Major Land Resource Area: 35–Colorado Plateau

Map Unit Composition

Goblin and similar soils: 90 percent

Minor Components:

• Rock outcrop (Moenkopie Formation sandstone, Schnabkaib Member)

• Moderately deep gypsic soils–Desert Gypsum Loam (Torrey Mormon tea)

 

Taxonomic classification: Loamy-skeletal, gypsic, mesic Lithic Haplogypsids

Landform: Hills

Geology: Moenkopie Formation Sandstone, Schnabkaib Member (Triassic)

Parent material: gypsiferous residuum weathered from sandstone

Slope: 6 to 45 percent, north to northwest aspects

Ground Cover: (% Cover) (fig. 42)

Plant Canopy: 25-30

Litter <5mm: 3-8

Rock Fragments: 12-20

Bare Soil: 0-5

Cyanobacteria Crust: 8-12

Lichen Crust: 30-40

Moss Crust: 0-5

Salt Crust: 0

Gypsum Crust: 5-10

Depth to restrictive feature(s): 6 to 16 inches to bedrock, lithic

Drainage class: somewhat excessively drained

Slowest permeability: 2.0 to 6.0 in/hr (moderately rapid)

Available water capacity total inches: about 0.5 (very low)

Shrink-swell potential: about 1.5 LEP (low)

Flooding hazard: none

Ponding hazard: none

Seasonal water table minimum depth: greater than 60 inches

Runoff class: very high

Hydrologic group: D

Calcium carbonate maximum: about 5 percent

Gypsum maximum: about 40 percent

Salinity maximum: about 8 mmhos/cm (slightly saline)

Sodium adsorption ratio maximum: about 0 SAR (nonsodic)

Ecological site name: Desert Very Shallow Gypsum (Torrey’s Jointfir)

Ecological site number: R035XY142UT

Present vegetation (in most areas): shadscale saltbush, rubber rabbitbrush, galleta,

Torrey Mormon tea, scarlet globemallow, buckwheat

Land capability (non irrigated): 7s

 

For a detailed description, visit:

soilseries.sc.egov.usda.gov/OSD_Docs/G/GOBLIN.html

 

For acreage and geographic distribution, visit:

casoilresource.lawr.ucdavis.edu/see/#goblin

 

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Uploaded on January 26, 2011
Taken in January 2000