Industrial Limestones and Dolomites in Virginia: Northern and Central Parts of Shenandoah ValleyCommonwealth of Virginia, Virginia Conservation Commission, Virginia Geological Survey, 1945 - Carbonate rocks - 195 pages |
Common terms and phrases
1½ miles Analysis of units argillaceous Athens Augusta County Benbolt limestone buff CaCO3 carbonate rocks cent calcium carbonate cent magnesium carbonate Chambersburg Chepultepec cherty Clarke County clayey coarse grained cobbly compact Conococheague contains Covered interval Cushman dark bluish-gray dark-gray Dolomite dove-gray Elbrook Eocene exposed exposures fault feet thick fine-grained Five Oaks Fork of Shenandoah Frederick County Geologic Section granular gray half a mile Harrisonburg high-calcium limestone impure limestone intercalated layers Lenoir limestone light-gray limestone and dolomite limestone belt magnesium carbonate Martinsburg Massanutten Mountain medium grained MgCO3 miles east miles northeast miles southwest miles west Mosheim limestone Mudrock nodular northwest oolitic Page County Peery quarry Pl Ridge Road Rockdell Rockingham County Russell County sandstone shale shaly Shenandoah County Shenandoah River Shenandoah Valley Shenandoah Valley portion silica SiO2 southeast southwestward Staunton Strasburg syncline Tazewell County thick bedded thin bedded Tomstown vicinity Virginia Thickness Feet weathers western