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PLA TE 1 RESULTS of the FINAL HYDROGEOLOGICINVESTIGATIONfor THEHAMLET at WATERFIELD SUBDIVISION, LOUDOUN COUNTY, VIRGINIA
<br />® Colncldent Lineaments and Bedrock Geology
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<br />v( Polyconic Projection.
<br />1927 North American Datum.
<br />d `
<br />-\N, Base map Information from
<br />�` -'•` USGS topographic quadrangle
<br />maps of Harpers Ferry and
<br />Purcellville, Virginia.
<br />® Existing Wells and Potential Contaminant Threats
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<br />WW(N 1971- 071
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<br />} 1967 *11010 ! t
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<br />_ WIN-1985 =0370
<br />WWIN 1968' - WWIN -7975 -0009 � � � �'�• -•••` �, ? 't � ( i,. �..,� ,\' �•-.- i` -., -�; r
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<br />WWIN -1977 ro027- 4x17'- _ _ - =' N -
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<br />WWI -0018 FIN -
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<br />FA;1978 =W 25iI S - 199100 -0 }'7
<br />Scale Is 1 "= 800' 1.9600
<br />LEGEND for MAP VIEWS
<br />A ° fee f \ f
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<br />,. 999 -U588, ....: `S- � •` r--
<br />LEGEND for MAP VIEW
<br />LEGEND for MAP VIE WA
<br />BEDROCK GEOLOGY, STRUCTURE,
<br />and WELLS
<br />Bedrock geology of the Harpers Ferry Quadrangle after Scott Southworih, 1991. COINCIDENTLINEANMNTS
<br />SITE ID
<br />Total Yield
<br />(gpm)
<br />Bedrock geology of the Purcellville Quadrangle after Scott Southworih, 1995. Sr FBACTURE- SUPPORTED COINCIDENT DNEAMENT• Observed
<br />Total Depth
<br />(feet)
<br />77 -0027
<br />/ onmore than three wales of onto D co- parallels
<br />nearby fracture family or bedding trends:
<br />1 20
<br />-. 125
<br />Diabase dike- \tedium - to dark -gray, medium - to Fine - grained diabase in narrow dikes or plugs culling older Observed on more than three scales of imagery.
<br />)T/
<br />8
<br />70
<br />rocks. (fend I. ported in d.gre.. ...t of nodh)
<br />N-78- 0144
<br />12
<br />»; Metadiabase dike -Dark green. medium - to fine- grained. massive tostrongly foliated metarnotic rock.
<br />_
<br />160 _J
<br />_ W WIN 80 0016 _
<br />WWIN 85 0021
<br /><, Commonly referred to as greenstone. ROSE DIAGRAM of
<br />16.
<br />5
<br />605
<br />52
<br />LINEAMENT DATA All Lineaments
<br />20
<br />22
<br />Gannet Grapbi tic Gneiss - Light- brown, to moderate -brown garnet graphite _neiss inleriagered with Combined
<br />Yp
<br />WWIN -85 -0370
<br />(Based lineaments collected a 1 kilometer
<br />schist and meta- sandstone. radius circle centered on the study udy area area at utmX = n = 356
<br />19
<br />220
<br />269,750 and Wray = 4,347,501)
<br />WWIN -86 -0028
<br />50
<br />26' 51'
<br />Zrd Metarhilolite Dike - Light -gray to mediunrlight -gray, apllanitic to line - grained nietarhyolitc that
<br />345
<br />contains grayish - yellow feldspar phenocrysls. 63•
<br />15
<br />--
<br />79*
<br />j
<br />WWIN -97 -0247
<br />Ygt Ginlet MOnzogranite - Very coarse to inediunl- grained, equigranular to grmloblastic. 98•
<br />41
<br />almandine- bearing leitcocratic nionzaemm[e.
<br />WWIN-88 -)407
<br />1 20
<br />NOrite - Brownish-gray to greenish- black. medium- grained. salt and peppergneiss with 26 percent
<br />Yn
<br />200
<br />tat• 132 -
<br />honlblcndc.
<br />9 62
<br />200
<br />ROSE DIAGRAM NOTATION — Ross pelota reppaml
<br />trends of lineaments derived by rating. goueslan
<br />WWIN -94 -0300 —
<br />-- 15
<br />® Outcrop or float of Bull Quartz. Rt' Strike and DIP (21') of Foliation. carves to azimuth frequency histograms. The trend
<br />of each peak Is posted In degrees east of north.
<br />_
<br />125
<br />J Petal radlh I, a measure of data seater and pdal
<br />O Outcrop or float of Yp Identified. tochhIt,. If. °umbere of data In
<br />- - -- 9 j
<br />15
<br />78n nl oilynlative
<br />WWTS -89 -0587
<br />Q Outcrop or float of Ygt Identified.
<br />Strike and Dip (21') of Fractures
<br />1 30
<br />205'
<br />Outcrop or float of Zd identified. 178'
<br />WWI'5 -39 -0588
<br />Minimum
<br />596
<br />0.5
<br />30
<br />1 5
<br />Emery & Garrett Groundwater, Inc. 56Mam Street, Meredith, NH 03253
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<br />Contaminant Threats
<br />7
<br />Environmental Data Resources, Inc. (EDR) Site
<br />(See Appendix B)
<br />FINAL =ROGEOLOGICLIVVESTIGATION
<br />LEGEND for MAP VIEW
<br />COINCIDENT LINEAMENTS,
<br />BEDROCK GEOLOGY, STRUCTURE,
<br />and WELLS
<br />-+-. WWIN -87 -0229 +- WWIN -77 -0027
<br />Existing Wells from the Loudoun County GIS
<br />database. Selected data for wells within
<br />2000 feet of the properties studied are
<br />tabulated. Only wells with yield and depth
<br />data are shown in the tables. Yields of 20
<br />gpm or more are highlighted in ,orange.
<br />SITE ID
<br />Total Yield
<br />(gpm)
<br />Dept io Bedrock
<br />(feet)
<br />Total Depth
<br />(feet)
<br />77 -0027
<br />1 20
<br />1 20
<br />-. 125
<br />�- AU \T,7N 78 0126
<br />8
<br />70
<br />_ 150
<br />N-78- 0144
<br />12
<br />!, 9 _�_
<br />_
<br />160 _J
<br />_ W WIN 80 0016 _
<br />WWIN 85 0021
<br />3
<br />0.5
<br />16.
<br />5
<br />605
<br />52
<br />WWIN-SS -0157
<br />20
<br />22
<br />140
<br />WWIN -85 -0370
<br />20
<br />19
<br />220
<br />WWIN -86 -0028
<br />50
<br />22
<br />345
<br />_ WWIN-86 -0033
<br />15
<br />--
<br />500
<br />j
<br />WWIN -97 -0247
<br />! 3
<br />41
<br />WWIN-88 -)407
<br />1 20
<br />1 43
<br />200
<br />WWIN -89 -0200
<br />9 62
<br />200
<br />I
<br />WWIN -94 -0300 —
<br />-- 15
<br />47
<br />_
<br />125
<br />WWIN-95- 0004. - - -
<br />- - -- 9 j
<br />15
<br />340
<br />WWTS -89 -0587
<br />' 21.1
<br />1 30
<br />205'
<br />WWI'5 -39 -0588
<br />Minimum
<br />596
<br />0.5
<br />30
<br />1 5
<br />305
<br />125
<br />-
<br />Maximum
<br />Averng_e_
<br />_
<br />1. 50
<br />14
<br />G2
<br />27
<br />-- 605 - - -_
<br />278
<br />it �g #0407 Nil 0td4- WAIN
<br />will IIY19t
<br />-
<br />jf IN 7 N 474-0095'
<br />IN 1�i
<br />p
<br />J
<br />P-1993021`1 IN
<br />WWIN- 1992 -010+ IN -1�8
<br />1 i WWIN 197 0
<br />Contaminant Threats
<br />7
<br />Environmental Data Resources, Inc. (EDR) Site
<br />(See Appendix B)
<br />FINAL =ROGEOLOGICLIVVESTIGATION
<br />THEHAMLETAT WATERFIELD
<br />COINCIDENT LINEAMENTS,
<br />BEDROCK GEOLOGY, STRUCTURE,
<br />and WELLS
<br />Sob Number:
<br />Date:
<br />VA0601901J
<br />September, 2001
<br />PLATE I
<br />file: V.\vo \wirfleld\FlnalH \Working \CAD \WTF- fln.dwg; sheet: Phi- Platel
<br />Emery & Garrett Groundwater, Inc.
<br />56 Mein Street
<br />Meredith, NH 03253
<br />Chantilly, VA Weterf=ille, ME
<br />
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