This interpretation is supported by an argon isochron plot of 40Ar 36Ar and 40K 36 Ar values (R. W. Kistler, unpublished data, The pyroxene shows much greater optical homogeneity than in the Dufek intrusion. The b - Ford Ice Piedmont - Document - PDFSEARCH.IO

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Date: 2011-05-06 03:41:03 Aughenbaugh Peak Sallee Snowfield Dufek Massif Anorthosite Cordiner Peaks Forrestal Range Cumulate rock Ford Ice Piedmont Kistler Valley Pensacola Mountains Edith Ronne Land Geography of Antarctica		This interpretation is supported by an argon isochron plot of 40Ar/36Ar and 40K/36 Ar values (R. W. Kistler, unpublished data, The pyroxene shows much greater optical homogeneity than in the Dufek intrusion. The b Add to Reading List Source URL: s3.amazonaws.com Download Document from Source Website File Size: 3,63 MB Share Document on Facebook

	types—slate, siltstone, sandstone, and dacite—but not on the coarse-grained intrusive rocks abundant in this area. These intrusive rocks appear to be so readily grussified that polish or striations, if originally pre DocID: 15a4D - View Document
	shale, coal, and petrified wood of Beacon Formation; many dike rocks in Beacon Formation; and Ferrar dolerite and McMurdo volcanic rocks. 4. Search for Antarctic meteorites. A joint U.S.—Japan search for meteorites was DocID: 158pD - View Document
	nounced in the axial part of the synform of the intrusion. It appears to be somewhat analogous to a regional angular unconformity in sedimentary rock sequences. The discordance is tentatively interpreted as being the res DocID: 158dK - View Document
	Depositional setting of the Lower and Middle Cambrian in the Pensacola Mountains A.J. ROWELL Department of Geology DocID: 14Ar8 - View Document
	Bookman Old Style Cursiva DocID: 14iy0 - View Document