Title
Quartzite
Identifier
AD-1
Description
This specimen is typical of the 5-10 foot thick coarse grained layers of glassy quartzites that comprise this formation. In most instances the quartzites are about 90% quartz. Feldspar and garnet are encountered locally. This is presumed to be the uppermost stratigraphic unit in the Adirondacks and typical of Adirondack quartzite generally.
Thin section shows primarily quartz with a minor amount of feldspar.
Thin section shows primarily quartz with a minor amount of feldspar.
Date
1980
Contributor
Western Minerals Inc.
Spatial Coverage
Adirondack Highlands-collected from a road cut on NY Routes 10 & 29A, ½ mile north of the Nick Stoner Inn and 1¼ miles south of the Canada Lake Store.
Temporal Coverage
Precambrian
Accrual Method
Purchased from Western Minerals Inc.
Unit
Irving Pond Formation
Number of Thin Sections
1