Results: 1 - 5 of 5
Dec 31, 1968
Earth Sciences Report
… … Size and lithologic analyses of samples of alluvial sediments from … of quartzite in 45 of the samples highest in quartzite are … of fractions of some of these samples and petrographic …
Aug 15, 2011
Open File Report
… biostratigraphic work on three samples from the upper part of the …
Mar 14, 2010
Data
… shield where we took rock samples for 40 argon/39 argon …
Mar 14, 2010
Data
… locations where we took rock samples for uranium-lead dating. …
Jan 11, 2012
Map
… and 40 argon/39 argon samples are marked on the map, and …