Conglomerate
Collected from blocks moved during road construction. Have been moved perhaps 200 yards. More quartzite and igneous and crystaline metamorphic rocks than at Sternenberg sampling site. <br /><br />Thin Section Coarse to fine (7-.1 mm) poorly sorted grains of feldspar and quartz varying from angular to sub angular in a calcite matrix. <br /><br />
Oct., 11, 2013
Western Minerals, lnc.
FM-11
Sandstone
Sandstone with ripple marks and cross bedding and strong flute casts along surface indicating mid-high energy. Poorly sorted coarse sandstone with ripple marks, cross bedding and strong flute casts, as well as small pebbles that vary from angular to rounded.<br /><br /> Thin Section: Fine (.3-.1 mm) poorly sorted grains of quartz, feldspars, and pyroxenes, varying from angular to sub rounded, closely packed in a mud matrix where applicable. <br /><br />
Oct., 11, 2013
Western Minerals, lnc.
FM-10
Shale
Shale, foliated, and bearing organic matter, from the interbeds between sandstone layers. Fine grained laminated sands between shales were uncollectible, but present. Friable and fragile.
Thin Section:
Very fine to fine grain, poorly sorted quartz, feldspar, and pyroxene varying from sub rounded to angular.
Oct., 11, 2013
Western Minerals, lnc.
FM-9