Geologic Studies in Alaska by the U.S. Geological Survey, 1992

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216 GEOLOGIC STUDIES IN ALASKA BY THE U.S. GEOLOGICAL SURVEY, 1992 ment of inverted metamorphic isograds in the western metamorphic belt, Juneau, Alaska: Journal of Metamorphic Ge- ology, V. 9, p. 165-180. Hofrnann, A.W., 1986, Nb in Hawaiian magmas: Constraints on source composition and evolution: Chemical Geology, v. 57, p. 17-30. Howell, D.G., ed., 1985, Tectonostratigraphic terranes of the Circum-Pacific region: Circum-Pacific Council for Energy and Mineral Resources, Earth Science Series, number 1,581 p. Ikeda, Yasuo, and Yuasa, Makoto, 1989, Volcanism in nascent back-arc basins behind the Shichito Ridge and adjacent areas in the Izu-Ogasawara arc, northwest Pacific: Evidence for mixing between E-type MORB and island arc magmas at the initiation of back-arc rifting: Contributions to Miner- alogy and Petrology, v. 101, p. 377-393. 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GEOCHEMICAL CHARACTER OF UPPER PALEOZOIC AND TRIASSIC ROCKS, WRANGELLIA TERRANE Perfit, M.R., Gust, D.A., Bence, A.E., Arculus, R.J., and S.R. Tay- lor, 1980, Chemical characteristics of island-arc basalts: implications for mantle sources: Chemical Geology, v. 30,227-256. Plafker, George, Blome, C.D., and Silberling, N.J., 1989, Rein- terpretation of lower Mesozoic rocks on the Chilkat Penin- sula, Alaska, as a displaced fragment of Wrangellia: Geology, v. 17, p. 3-6. Plafker, George, and Hudson, Travis, 1980, Regional implications of Upper Triassic metavolcanic and metasedimentary rocks on the Chilkat Peninsula, southeastern Alaska: Cana- dian Journal of Earth Sciences, v. 17, p. 681-689. 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Wood, D.A., 1980, The application of a Th-Hf-Ta diagram to problems of tectonomagmatic classification and to estab- lishing the nature of crustal contamination of basaltic lavas of the British Tertiary volcanic province: Earth and Plan- etary Science Letters, v. 50, p. 11-30. Wood, D.A., Joron, J.-L., Marsh, N.G., Tarney, J., and Treuil, M., 1980, Major- and trace-element variations in basalts from the North Philippine Sea drilled during Deep Sea Drilling Project Leg 58: a comparative study of back-arc- basin basalts with lava series from Japan and mid-ocean ridges: Initial Reports of the Deep Sea Drilling Project, v. 58, p. 873-894. Reviewers: Mary M. Donato and Tracy L. Vallier
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Geologic Studies in Alaska by the U
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CONTENTS Introduction Cynthia Dusel
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CONTENTS CONTRIBUTORS TO THIS BULLE
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GEOLOGIC STUDIES IN ALASKA BY THE U
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LATE HOLOCENE LONGITUDINAL AND PARA
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DEEP-WATER LITHOFACIES AND CONODONT
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Table 1. Locality register for key
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Table 1. Locality register for key
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LITHOFACIES AND CONODONTS OF CARBON
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LITHOFACES AND CONODONTS OF CARBONI
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Table 1. Conodont faunules and lith
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DEPOSITIONAL SEQUENCES IN ATIGUN SY
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U-Pb AGES OF ZIRCON, MONAZITE, AND
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APPEAL FOR NONPROLIFERATION OF ESCA
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FAVORABLE AREAS FOR METALLIC MINERA
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GOLD AND CINNABAR IN HEAVY-MINERAL
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EARLY CENOZOIC DEPOSITIONAL SYSTEMS
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EARLY CENOZOIC DEPOSITIONAL S YSTEM
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RESERVOIR FRAMEWORK ARCHITECTURE, C
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GEOCHEMISTRY OF OPHIOLITIC ROCKS FR
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134 GEOLOGIC STUDIES IN ALASKA BY '
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Page 180 and 181: Table 1. Isotopic ages of intrusive
Page 182 and 183: Table 1. Isotopic ages of intrusive
Page 184 and 185: GEOCHEMICAL EVALUATION OF STREAM-SE
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Page 212 and 213: Table 3. Summary of geochemical sig
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Page 219 and 220: GEOCHEMICAL CHARACTER OF UPPER PALE
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Page 225 and 226: RECONNAISSANCE GEOCHEMISTRY OF BASA
Page 235 and 236: OSTRACODE ASSEMBLAGES FROM MODERN B
Page 243 and 244: RUBIDIUM-STRONTIUM ISOTOPIC SYSTEMA
Page 245 and 246: RUBIDIUM-STRONTIUM ISOTOPIC SYSTEMA
Page 247 and 248: US. GEOLOGICAL SURVEY REPORTS ON AL
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Page 253 and 254: REPORTS ABOUT ALASKA IN NON-USGS PU
Page 255 and 256: REPORTS ABOUT ALASKA IN NON-USGS PU
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Geologic Studies in Alaska by the U.S. Geological Survey, 1992

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