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Maryland Geological Survey, Volume 1, 1897
Volume 423, Page 11   View pdf image (33K)
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MARYLAND GEOLOGICAL SURVEY

11


PAGE

THE PIEDMONT PLATEAU.............................................

. 148

The Eastern Division...........................................

. 148

The Western Division...............................................

. 149

THE APPALACHIAN REGION...........................................

. 150

The Eastern Division...............................................

. 150

The Central Division...............................................

. 151

The Western Division..............................................

. 152

GEOLOGY..............................................................

. 153

THE PIEDMONT PLATEAU.............................................

. 159

The Eastern Division...............................................

. 161

The Archean and Algonkian Periods...............................

. 161

The Gneiss.....................................................

. 162

The Quartz-schist.............................................

. 163

The Marble...................................................

. 164

The Gabbro...................................................

. 164

The Peridotite and Pyroxenite...................................

. 165

The Diorite...................................................

. 166

The Granite...................................................

. 167

The Later Periods...............................................

. 168

The Quartzite.................................................

. 168

The Phyllite...................................................

. 168

The Diabase...................................................

. 168

The late Mesozoic and Cenozoic Deposits.........................

. 168

The Western Division...............................................

. 169

The Algonkian Period...........................................

. 169

The Basic Volcanics............................................

. 169

The Cambrian and Silurian Periods...............................

. 169

The Quartzite.................................................

. 170

The Phyllite and Crystalline Limestone.........................

. 170

The Triassic Period...............................................

. 171

The Newark Formation.........................................

. 171

The Diabase...................................................

. 171

THE APPALACHIAN REGION.........................................

. 172

The Algonkian Period...........................................

. 174

The Acid Volcanics.............................................

. 174

The Basic Volcanics...........................................

. 175

The Granite...................................................

. 175

The Cambrian Period.............................................

. 176

The Loudoun Formation.......................................

. 176

The Weverton Formation.......................................

. 177

The Harpers Formation.........................................

. 177

The Antietam Formation.......................................

. 178

The Shenandoah Formation.....................................

. 179

The Silurian Period...............................................

. 179

The Shenandoah Formation.....................................

. 180

The Martinsburg Formation.....................................

. 180

The Juniata Formation.........................................

. 180

The Tuscarora Formation.......................................

. 181



 
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Maryland Geological Survey, Volume 1, 1897
Volume 423, Page 11   View pdf image (33K)
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