GRD00NCS0
110-S145
Sandstone
Paleozoic › Devonian › Late Devonian
359.0
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385.0
1
Ritter 154 › Cabinet 17 › Drawer G
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Original label: Trimmers Rock sandstone. Portage Group. Upper Devonian. Fine phase. Coll. No. P.T. 427b, May 1951.
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Pennsylvania
Little Mt., South bank Susquehanna River, North of Harrisburg, MP 180.3, Penn. Turnpike section
Latitude: 40.33°
Longitude: -76.93°
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Micaeous layer in quartz
5.0
plane
Micaeous layer in quartz
5.0
crossed
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scan
crossed
GRD00NCT0: 95% equigranular quartz. 5% interstitial mica and opaques. (C. Eichler)
N/A
N/A