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ROAD LOG SOUTH MOUNTAIN TRIP
ROAD LOG ROUNDTOP AND BERKELEY SPRINGS TRIP
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anticline Antietam Creek arenaceous shale argillaceous limestone axial plane cleavage Axis of minor banded bedding planes Berkeley Springs Braddock Heights bridge calcareous shale calcite Cavetown Cavetown quarry chert cleavage dips cleavage plane Conococheague Cross cross-bedding dark-gray Devonian distance from begin Elbrook limestone Elk Ridge ENTERING MAP exposures fault feet horizontally Figure fissile fissile shale fold axes fossiliferous fracture cleavage gneiss greenstone Hagerstown Hagerstown Valley Hancock Harpers Ferry Harpers phyllite Horizontal distance Inches Feet Inches interbedded Keedysville Lappans layers LEAVING MAP Leperditia alta occurs limb lineation lower Martinsburg Martinsburg shale massive normal Oriskany outcrops overturned Potomac River quartzite railroad red shale road cut Romney shale Roundtop Route map shaly South Mountain South Mountain anticlinorium stone Stose stratigraphic structures syncline Thick-bedded Thickness thin Thin-bedded Tonoloway top of beds Turn left upper Valley vertical Virginia Warm Spring Ridge Washington County Waynesboro Western Maryland Western Maryland Railroad Weverton sandstone