ORIGIN AND ENVIRONMENTAL SIGNIFICANCE OF LARGE-SCALE PATTERNED GROUND, DONNELLY DOME AREA, ALASKA.

• Main Authors: Church, Richard E., Pewe, Troy L., Andresen, Marvin J.
• Other Authors: COLD REGIONS RESEARCH AND ENGINEERING LAB HANOVER NH
• Format: Text
• Language: English
• Published: 1965
• Subjects: Geology; Geochemistry and Mineralogy; (*PERMAFROST; ALASKA); PHYSICAL PROPERTIES; TERRAIN; STRUCTURAL GEOLOGY; ICE; GRAVEL; SILT; SOURCES; STRATIGRAPHY; ARCTIC REGIONS; CLIMATE; TEXTURE; Arctic; Donnelly; Ice; permafrost; wedge*; Alaska
• Online Access: http://www.dtic.mil/docs/citations/AD0474477; http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=AD0474477

Large-scale patterned ground in the Donnelly Dome area of central Alaska consists of polygons 25 to 46 m in diameter bounded by shallow troughs 1 to 2 m wide that form the sides of the polygons. The troughs are underlain by wedge-shaped masses of sediments that extend downward 2 to 3 m. Texture of t...