RESEARCH· ·1970·

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••• • •• • 0 ••••• • 0 ····-·· STEFANSSON AND OWENS B155 184.4' 190.0' Lithology KIOiinite. Illite Montmorilloftitt lithotou Kaolinite ·.Illite Montmorill~te 1- '\. I \ - 200.0' ··.·.· - 210.0' 220.0' 230.0' 240.0' ::::7'7"7~·.·. ·--······· ·······-··· ····--···· --······· :~·:::-77'.'.~ ............-. •••••••• 0 ·····--·" ·--······ --········· .......... ···--··· '·. ······-·· :-:-:-- __:,:_.: ...· •• • • 0 ••••• . . . . . ...... ····-····· ........... ···-······· 0 ••• 0 •••••• ............. ······· ·--······ ...... . ···-·-····· ...... ····· ·····-······ ·--····· ···-·-··.~.: ····-···· "'--···· ·····-·· ···--····· ·······--· ··-······· ..·--···-· ••• 0 •••••• ····--··· ····--····· --···-··· -··-···-· ·-····-·· --····-· -···-···· / I \ - - - 250.0' 338.0'......._,: ._·...... ·_. .._: ·..........·_._.·.... I \ I 260.0' 266.3' FIGURE 2. (CON.) 372-490 0 - 70 - 11
B156 STRATIGRAPHY REFERENCES Brown, C. Q., and Ingram, R. L., 1954, The clay minerals of the Neuse River sediments [N.C.] : Jour. Sed. Petrology, v. 24, no. 3, p. 196-199. Glaser, J. D., 1968, Coastal Plain geology of southern Maryland: Maryland Geol. Survey, Guidebook 1, p. 1-56. Hack, J. r,r., 1955, Geology of the Brandywine area and origin of the upland of southern Maryland: U.S. Geol. Survey Prof. Paper 267-A, p. 1-43. Knechtel, M. M., Hamlin, H. P., and Hosterman, J. W., 1966, Expandable clay in St. Marys Formation of southern. Maryland : Maryland Geol. Survey Rept. Inv. 4, 17 p. Owens, J. P., and Minard, J. P., 1962, Pre-Quaternary geology of the Columbus quadrangle, New Jersey: U.S. Geol. Survey Geol. Quad. Map GQ-160. Owens, J. P., and Sohl, N. F., 1969, Shelf and deltaic pal~oenvironments in the Cretaceous-Tertiary formations of the New Jersey Coastal Plain, in Subitzky, Seymour, ed., Geology of selected areas in New Jersey and eastern Pennsylvani-a and guidebook of excursions: New Brunswick, N. J., Rutgers Univ. Press, p. 235-278. Parham, W. E., 1966, Lateral variations of clay mineral assemblages in modern and ancient sediments : Internat. Clay Conf., Jerusalem, Israel, 1966, Proc., v. 1, p. 135-145. Porrenga, D. H., 1966, Clay minerals in Recent sediments of the Niger Delta, in Bailey, S. W., ed., 1966, Clays and clay mineral~Proceedings of the 14th National Conference, Berkeley, California, [1965] conducted by the Clay Minerals Society: New York, Pergamon Press, p. 221-233. Schultz, L. G., 1964, Quantitative interpretation of mineralogical composition from X-ray and chemical data for the Pierre Shale: U.S. Geol. Survey Prof. Paper 391-C, p. Cl-31. Whitehouse, U. G., Jeffrey, L. M., and Debbrecht, J. D., 1960, Differential settling tendencies of clay minerals in saline waters, in Swineford, Ada, ed., Clays and clay minerals Proceedings of the 7th National Conference on Clays and Clay Minerals, Washington, D. C., Oct. 20-23, 1958: New York, Pergamon Press,. p. 1-79.
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. ., GEOLOGICAL SURVEY RESEARCH·
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CONTENTS GEOLOGIC STUDIES Petrology
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GEOLOGICAL SURVEY RESEARCH 1970 Geo
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B2 PETROLOGY AND PETROGRAPHY for bi
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B4 PETROLOGY AND PETROGRAPHY has be
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B6 PETROLOGY AND PETROGRAPHY. 32
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B8 PETROLOGY AND PETROGRAPHY TABLE
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BlO · PETROLOGY AND PETROGRAPHY EX
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GE,OLOGICAL SURVEY RESEA·RCH 1970
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B16 PETROLOGY AND PETROGRAPHY Sprin
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B20 PETROLOGY AND PETROGRAPHY Sigva
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B22 PETROLOGY AND PETROGRAPHY EXPLA
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B24 PE~ROLOGY AND PETROGRAPHY schis
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B28 PETROLOGY AND PETROGRAPHY sg•
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B30 PETROLOGY AND PETROGRAPHY Detri
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B32 PETROLOGY AND PETROGRAPHY place
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B34 PETROLOGY AND PETROGRAPHY 66 '
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B36 PETROLOGY AND PETROGRAPHY Post-
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B40 PETROLOGY AND PETROGRAPHY did n
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B42 PETROLOGY AND PETROGRAPHY Creta
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td :t 106'20' r--- 10' 106'00' 38'3
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B46 STRUCTURAL GEOLOGY FIGURE 4.-Vi
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B48 STRUCTURAL GEOLOGY FIGURE 6.-An
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B50 STRUCTURAL GEOLOGY clined slide
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GE,OLOGICAL SURVEY RESEARCH 1970 CA
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B54 GEOPHYSICS (1950), Domzalski (1
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B56 GEOPHYSICS STRATIGRAPHY AND LIT
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B58 GEOPHYSICS STRATIGRAPHY AND LIT
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B60 GEOPHYSICS value. A normal free
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B62 GEOPHYSICS Hammer, Sigmund, 193
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B64 110°45' GEOPHYSICS L I I \ "'\
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GE·OLOGICAL SURVEY RESEA·RCH 1970
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B68 GEOPHYSICS A' San 0 p A c I F I
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B70 GEOPHYSICS lies occur over rela
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B72 GEOPHYSICS 36° 00' A' 40___./
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B74 GEOPHYSICS igneous massif is co
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B76 GEOPHYSICS A 50 Bouguer gravity
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GE·OLOGICAL SURVEY RESEARCH 1970 R
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B80 GEOPHYSICS FIGURE 1.-Bouguell'
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B82 GEOPHYSICS J I 37·~~------~~--
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B84 GEOPHYSICS B 600 B' 500 400 (/)
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GE,OLOGICAL SURVEY RESEA·RCH 1970
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EXPLANATION Pikes Peak • batholit
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DISTRIBUTION OF URANIUM IN URANIUM-
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B92 GEOCHRONOLOGY Fleischer, R. L.,
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B94 ECONOMIC GEOLOGY 103° 35' w 1/
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'B96 ECONOMIC ·GEOLOGY 0 500 FEET
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B98 ECONOMIC GEOLOGY TABLE !.-Summa
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BlOO ECONOMIC GEOLOGY surface seems
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GE 1 0LOGICAL SURVEY RESEA·RCH 197
Page 109 and 110: B104 EJrucJh of the four samples wa
Page 111 and 112: B106 ECONOMIC GEOLOGY R. 56 E. R. 5
Page 113 and 114: B108 ECONOMIC GEOLOGY outcrop under
Page 115 and 116: BllO Brady, of the Museum of Northe
Page 117 and 118: Bll2 PALEONTOLOGY FIGURE 1.-ProtobZ
Page 119 and 120: B114 PALEONTOLOGY c .,;# I I ' ' lO
Page 121 and 122: B116 PALEONTOLOGY ments, the larges
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Page 125 and 126: B120 L xMH 'xE soo~~B_R~I __ T_I __
Page 127 and 128: B122 PALEONTOLOGY Tetrataxis sp. Te
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Page 131 and 132: Bl26 PALEONTOLOGY TABLE 2.-Ranges o
Page 133 and 134: B128 PALEONTOLOGY l
Page 135 and 136: BI30 PALEONTOLOGY Ocmt/rrence.-P. m
Page 137 and 138: Bl32 PALEONTOLOGY proximately 5.7 m
Page 139 and 140: Bl34 PALEONTOLOGY a b c d e f g - D
Page 141 and 142: Bl36 PALEONTOLOGY --- 1963. The ori
Page 143 and 144: B138 PALEONTOLOGY core are m1ssmg,
Page 145 and 146: B140 PALEONTOLOGY death assemblage:
Page 147 and 148: Bl42 STRATIGRAPHY EXPLANATION l:.\.
Page 149 and 150: B144 STRATIGRAPHY ver. We do not in
Page 151 and 152: B146 STRATIGRAPHY age. A stratigrap
Page 153 and 154: B148 5 10 15 20 X X Plntygonus Pla.
Page 155 and 156: GE~OLOGICAL SURVEY RESEARCH 1970 CL
Page 157 and 158: B152 STRATIGRAPHY at a depth of 58
Page 159: ••••• 0 .... ••••
Page 163 and 164: B158 STRATIGRAPHY In what follows,
Page 165 and 166: Bi60 STRATIGRAPHY TABLE !.-Stratigr
Page 167 and 168: B162 SEDIMENTATION with increasing
Page 169 and 170: llj ...... ~ TABLE 2.-Specific grav
Page 171 and 172: B166 TABLE 3.-Settling time for a 1
Page 173 and 174: Bl68 GEOMORPHOLOGY 74° 44° YERMON
Page 175 and 176: B170 GEOMORPHOLOGY have also been r
Page 177 and 178: B172 GEOMORPHOLOGY end of Long Isla
Page 179 and 180: GEOLOGICAL SURVEY RESEARCH 1970 DET
Page 181 and 182: ~ooo ______________ B176 ANALYTICAL
Page 183 and 184: B178 terranes where the search for
Page 185 and 186: B180 Reproducibility Replicate anal
Page 187 and 188: B182 ANALYTICAL METHODS in the aque
Page 189 and 190: GEOLOGICAL SURVEY RESEARCH 1970 CHE
Page 191 and 192: B186 ANALYTICAL METHODS 3.31 percen
Page 193 and 194: Bl88 ANALYTICAL METHODS 3" 2%" Oute
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Page 197 and 198: B192 GROUND-WATER RECHARGE I T I 14
Page 199 and 200: B194 GROUND-WATER RECHARGE Therefor
Page 201 and 202: GEOLOGICAL SURVEY RESEARCH 1970 PRE
Page 203 and 204: B198 GROUND-WATER RECHARGE the basi
Page 205 and 206: B200 GROUND-WATER RECHARGE t \ \)
Page 207 and 208: B202 GROUND-WATER RECHARGE Water is
Page 209 and 210: B204 GROUND-WATER CONTAMINATION rv
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B206 GROUND-WATER CONTAMINATION TAB
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B208. GROUND-WATER CONTAMINATION fa
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GEOLOGICAL SURVEY RESEARCH 1970 MEA
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B212 SURFACE WATER plotted, and the
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GEOLOGICAL SURVEY RESEA·RCH 1970 T
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B216 SURFACE WATER however, if the
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B218 SURFACE WATER TABLE 4.-Variati
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B220 RELATION· BETWEEN GROUND eral
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B222 -0.010 f -0.005 (i) RELATION B
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GEOLOGICAL SURVEY RESEARCH 1970 THE
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'B226 RELATION BETWEEN GROUND WATER
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B228 RELATION, BETWEEN GROUND WATER
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B230 RELATION BETWEEN GROUND WATER
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GEOLOGICAL SURVEY RESEARCH 1970 HYD
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B234 EROSION AND SEDIMENTATION side
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B236 EROSION AND SEDIMENTATION s·o
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B238 EROSION AND SEDIMENTATION Cont
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B240 EROSION AND SEDIMENTATION 2 3
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GEOLOGICAL SURVEY RESEARCH 1970 SPE
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B244 GEOCHEMISTRY OF WATER REFERENC
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B246 HYDROLOGIC TECHNIQUES The upla
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B248 HYDROLOGIC TECHNIQUES type in
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GEOLOGICAL SURVEY RESEARCH 1970 ,,.
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B252 formula may also be useful in
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GEO'LOGICAL SURVEY RESEARCH 1970 CO
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B256 randomly fluctuating component
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B258 HYDROLOGIC TECHNIQUES 1.0 ~ Qj
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~ B260 HYDROLOGIC TECHNIQUES 1-3, f
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I B262 HYDROLOGIC TECHNIQUES REFERE
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,' B264 Page Gravitational sliding,
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., / )
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RESEARCH· ·1970·

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