 | | Report (issue) | | Evidence for Metallization on St. Thomas and St. John, U.S. Virgin Islands by R. E. Tucker, H. V. Alminas...preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards and stratigraphic...the Virgin Islands and vicinity.................. 2 Figure 2. Geologic map of St. Thomas, U.S. Virgin...Virgin Islands............... 3 Figure 3. Geologic map of St. John, U.S. Virgin Islands...............map of St. Thomas, U.S. Virgin Islands........ 8 Figure 5. Sample locality map of St. John, U.S. Virgin |  | | Report (issue) | | Page 1 D U.S. Department of the Interior U.S. Geological Survey Geology of St. John, U.S. Virgin Islands...Rankin—GEOLOGY OF ST. JOHN, U.S. VIRGIN ISLANDS—U.S. Geological Survey Professional Paper 1631 U.S. GEOLOGICAL...Trunk Bay on the northern coast of St. John, U.S. Virgin Islands. Trunk Cay is located just to the left...Thatch Islands of the British Virgin Islands, and Mary Point, which is to the northeast on St. John.... U.S. Department of the Interior U.S. Geological Survey Geology of St. John, U.S. Virgin Islands By |  | | Journal (article/letter/editorial) | | The Geology of the Virgin Islands. 339 Fig. 5 shows a scries of parallel terminating cracks in an andesite...Mancora Tablazo. The Geology of the British Virgin Islands. By K. W. EAKLE, M . S C , F.G.S. (PLATE XXI... no geological account of the British J-*- Virgin Islands has ever appeared in a British journal, the...being P. T. Cleve (I),1 who visited most of the islands during an extended tour in the West Indies in 1868-9...description of the geology and petrology of the islands, as a preliminary guide to geologists who may be |  | | Report (volume) | | Mineralogy, and Geochronology of the U.S. Virgin IslandS" U.S. GEOLOGICAL SURVEY BULLETIN 2057 AVAILABILITY...AND MAPS OF THE U.S. GEOLOGICAL SURVEY Instructions on ordering publications of the U.S. Geological Survey...catalog "New Publications of the U.S. Geological Survey." Prices of available U.S. Geological Survey publications...List." Publications that may be listed in various U.S. Geological Survey catalogs (see back inside cover)...writing to the National Technical Information Service, U.S. Department of Commerce, Springfield, VA 22161; please |  | | Report (issue) | | U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY GEOLOGIC MAPS OF ST. JOHN, U.S. VIRGIN ISLANDS...preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards or with the...purposes only and does not imply endorsement by the U.S. Government. 1997 DESCRIPTION OF MAP UNITS Dikes...Named for prominent dikes at Red Hook, Eastern St. Thomas quadrangle, where the dikes are intruded along... which is also exposed in Tortola, British Virgin Islands. 40Ar/39Ar plateau age on hornblende of 38 |  | | Journal (article/letter/editorial) | | of Spilites and Associated Rocks from St John, U.S. Virgin Islands ABSTRACT A continuous section of extrusive...core of about 2430 ft that was taken at St. John, Virgin Islands. This study is confined to the upper 1180...are set into a green matrix rich in chlorite, epidote, quartz, and calcite, but low in plagioclase relative...suggest that the parental magma of the spilites from St. John was altered due to a b u r i a l metamorphism...Geological Setting and Previous Work The island of St. John is located between the Caribbean Sea and the |  | | Report (chapter) | | E S E G M E N T S T U D I E D PUERTO RICO VIRGIN ISLANDS PETER HUMPHREY MATTSON Department of Earth...1. Puerto Rico Trench 2. Naranjito zone 3. Virgin Islands zone 4. Barranquitas zone 5. Ponce zone 6....650 653 655 658 659 660 Puerto Rico and the Virgin Islands lie near the east end of the Greater Antilles--a...very large volume of modern data available on the islands, which is synthesized in this article, makes Puerto...been tilted and faulted. The Naranjito (2), Virgin Islands (3), Barranquitas (4) and Ponce (5) zones are |  | | Journal (article/letter/editorial) | | was collected for us by Peter Mohlsick, 2830 Darwin St., Sacramento 21, Calif. The sample is a coarse, brown...sand is from the Tchefuncte River, near Covington, St. Tammany Parish, La."—on label. Quartz sand from...(colorless, brownish, reddish) with some greenish epidote, pinkish feldspar, colorless muscovite, and black...Millerton, N. Y. Lawrence O. Chapman, 41 Church St., Franklin, N . J., is keenly interested in caves... they tell me, is the most westerly town in the U.S. where there is a newspaper, not that that means |  | | Journal (article/letter/editorial) | | occurrenceof wairakite in spilitic rocks from St. Thomas, Virgin Islands, is of specialinterest for severalreasons...consolidationof this spilite. The oldest rocks of St. Thomas are the keratophyres and spilites of the Water... Length of section 5 inches. flow at Nadir, St. Thomas. Later field work showedthat there wereprobably...ol Werurrro lnou Sr. Tnouas ,q.NpWnrn.lrr St. Thomas n (mean)1.502+ 001 ^f-d 2Y, .0015to .0025...toWerne.r T.c.sln 2. X-Rev Dlu Wairaki (Coombs) St. Thomas (200) dA dA 6.84 6.85 (2rr) 40 80 3.65 |  | | Journal (article/letter/editorial) | | mineralogical association of albite, chlorite, epidote and calcite. Ila. This metamorphism was accompanied...basis of further study of spilites of St. John, Virgin Islands, concludes that 'Burial metamorphism could...CO2 to form low-grade minerals such as chlorite, epidote, sericite, and carbonate; rise in temperature sufficient...generally is so complete that only small grains of epidote included in the albite may betray the former presence...Displaced calcium is present in such minerals as epidote, calcite, prehnite and pumpellyite that may be |  | SPEED, R. C., GERHARD, LEE C., McKEE, E. H. (1979) Ages of deposition, deformation, and intrusion of Cretaceous rocks, eastern St. Croix, Virgin Islands. Geological Society of America Bulletin, 90 (7) 629 doi:10.1130/0016-7606(1979)90<629:aoddai>2.0.co;2 | Journal (article/letter/editorial) | | intrusion of Cretaceous rocks, eastern St. Croix, Virgin Islands R. C. SPEED Department of Geological Sciences...McKEE U.S. Geological Survey, Menlo Park, California 94025 60201 INTRODUCTION The island of St. Croix...submarine ridge, the St. Croix platform, which is separated from the Puerto Rico-Virgin Islands platform to the...the north by the Virgin Islands basin. To the southwest, the St. Croix platform is flanked by the Caribbean...the Aves Ridge. Because St. Croix is the only exposure above sea level of the St. Croix platform, the geology |  | | Journal (article/letter/editorial) | | abundance in metadomains. Spilites from U.S. Virgin Islands also show evidence for REE mobility during...margins), volcanic arcs (converging margins), ocean islands (within plate oceanic) and continent (within plate...geochemical study of five islands groups (situated within an area of 60 km 2) in St. Andrew Strait, Papua...Basalts from Baluan Island are typical of ocean islands (i.e. possibly due to 'hot spot' activity) and...in the Cretaceous Water Island formation, U.S. Virgin Islands (Donnelly, 1966). The results confirm our |  | | Journal (article/letter/editorial) | | Gables, Florida, USA L.K. FINK Ira C. Darling Center, University of Maine, Walpole, Maine, USA and K. BOSTROM...Atmospheric Science, University of Miami, Miami, Florida, USA Received 24 November 1972 Revised version received...on the island, although they occur on adjacent islands [20]. There is primary, optically homogeneous titanomagnetite...frequently associated with zeolites, calcite and epidote while also exhibiting a scarcity o f sulfides [...preprint, Caribbean Geol. Conf., 5th St. Thomas Virgin Islands, 1968. [13] C.E. Hedge and J.F. Lewis |  | | Journal (article/letter/editorial) | | 1959),and in altered volcanic rocks on St. Thomas, U. S. Virgin fslands (Donnelly, 1959). The present...of the Judith Fancy Formation from st. croix, U. S. Virgin Islands (Whetten, 1961). The Judith Fancy Formation...grasshas devitrified, and calcite, chlorite and epidote replacea variety of minerals. The metamorphic effects... the only zeolite which has so far been found on St. croix, has been identified by r-ray diffraction...quartz and wairakite, and in other Cretaceous rocks on St. Croix calcite has clearly replaced large quantities |  | | Report (issue) | | welded tu®s, and in clay. Association: Andesine, epidote, clinozoisite, prehnite, calcite, aragonite, quartz...and in the Tui mine, Te Aroha, Auckland. In the USA, from The Geysers, Sonoma Co., and near Rosamond...Pierce Co., Washington. On St. Thomas and St. Croix, American Virgin Islands. In the Buttle Lake area,...National Museum of Natural History, Washington, D.C., USA, 137192. References: (1) Steiner, A. (1955) Wairakite |  | | Report (issue) | | appearance to the Water Island Formation of the U.S. Virgin Islands (Donnelly, 1966), except that in Puerto Rico...geologic map of Puerto Rico and 6 | adjacent islands: U. S. Geol. Survey Misc. Geol. Inv. Map 1-392...in the stratigraphy of northeastern Puerto Rico: U.S. Geological Survey Bull. 1372-G, 10 p. 10-'Briggs...-/urogeologic map of Puerto Rico H ^and adjacent islands: U. S. Geol. Survey Hydro. Inv. Atlas HA-197....hydrothermal events in Puerto Rico and the Virgin Islands: U. S. Geol . Survey Jour. Research. Donnelly |  | | Report (issue) | | 'EARTHQUAKE HAZARDS IN THE VIRGIN ISLANDS REGION' APRIL 9-10, 1981 ST. THOMAS, VIRGIN ISLANDS OPEN-FILE REPORT...not been edited or reviewed for conformity with U.S. Geological Survey publication standards and stratigraphic...only and does not constitute endorsement by the U.S. Geological Survey. Reston, Virginia 1984 UNITED...IN THE VIRGIN ISLANDS REGION" APRIL 9-10, 1984 ST. THOMAS, VIRGIN ISLANDS SPONSORED BY U.S. GEOLOGICAL...STANDARDS Editors Paula L. Gori and Walter W. Hays U.S. Geological Survey Reston, Virginia 22092 Open-File |  | | Journal (article/letter/editorial) | | 66-96, 4 PLS. JANUARY 1963 GEOLOGY OF ST. BARTHOLOMEW, ST. MARTIN, AND ANGUILLA, LESSER ANTILLES BY...BY ROBERT A. CHRISTMAN ABSTRACT The islands of Saint Bartholomew and Saint Martin consist of andesitic...During the late Eocene and early Oligocene, these islands are believed to have been the sites of active volcanoes...faulted as a result of the volcanic activity and on St. Martin they were extensively metamorphosed. By the...and, during the Pliocene and Pleistocene, the islands were probably connected to form one large island |  | | Journal (article/letter/editorial) | | andesitic fragments and spilitic flows from the U.S. Virgin Islands and invoked an autometasomatic origin. Ilowever...DoNnrllv, T. W. (1966) Geology of St. Thomas and St. John, U.S. Virgin Islands. G e o I .S o c A n t e r ....Petrol,.,2, 407-423. Srcv.lr.nesoN, G. E. (1963) Epidote and related minerals in two deep geothermal drill...drill holes, Reykjavik and Hveragerdi, Iceland. U.S. Geol,.Sun. Prof . Pap ,45O-E,877-E79. Slrrrn, R. E |  | | Report (issue) | | Geologic Map of the Greater Antilles and the Virgin Islands By Frederic H. Wilson, Greta Orris, and Floyd...Report 2019–1036 2019 U.S. Department of the Interior U.S. Geological Survey U.S. Department of the Interior...DAVID BERNHARDT, Secretary U.S. Geological Survey James F. Reilly II, Director U.S. Geological Survey, Reston...purposes only and does not imply endorsement by the U.S. Government. Although this information product, for...geologic map of the Greater Antilles and the Virgin Islands: U.S. Geological Survey Open-File Report 2019–1036 |  | | Journal (article/letter/editorial) | | with low-temperature minerals such as chlorite, epidote and calcite). In the same way we have the triads...Donnelly (1963) the original feldspar in the Virgin Islands quartz keratophyres was more or less disordered...chemical analyses of 'keratophyres' from the Virgir Islands, nearly all of which contained 'considerable free...thought to be of Lower Cretaceous age from the Virgin Islands. About one fifth of its very great thickness...potash feldspar, chlorite, mica, quartz, calcite, epidote-zoisite, zeolites, leucoxene, opaques, are usually |  | | Journal (article/letter/editorial) | | 79 Proben von den Kalkstein-Karibeninseln Atigua, St. Martin und Desirade zeigt eine unterschiedlich starke...the predominantly island arc igneous suite CaO, Rb, St, Ba und Cu. Seltener ist eine Poeneitisierung zu...79 samples from the Limestone Caribbee islands of Antigua, St. Martin and Desirade show different degrees...of alteration are closely associated in these islands. Spilitisation leading to albitisation of plagioclase...the formation of calcite, zeolite, + prehnite, + epidote, _ native copper results in enrichment in Na-20 |  | | Journal (article/letter/editorial) | | Formation, the basal volcanic complex in the Virgin Islands at the east end of the Greater Antilles, suggest...correlate with the Water Island Formation in the Virgin Islands (Donnelly, 1966)) 0168-9622/87/$03.50 0 1987... 1. Location of the Dominican Republic and Virgin Islands in the Greater Antilles. Martinique in the...assemblages containing chlorite, calcite, albite, epidote, pumpellyite and prehnite. The Water 17 TABLE...with seawater to assemblages containing albite, epidote, calcite and chlorite. The abrupt increase in abundance |  | | Report (issue) | | Association of Petroleum Geologists, Tulsa, Oklahoma, USA 197] The printing of this volume is made possible...iiriassic(?)andiPaleozoic(?)iniG@ubaiwncscesseestce st cceter cos css cones eee ec ee ee 19 DISCUSSION See...ocsceseecceccsscncusceceeacts snasusduteer cote usa sesocte. stnatastnscte ecco eeeactem ees 83 Cornwall=Middléséx...in eastern Dominican Republic, Puerto Rico, and Virgin |S eye Cheer ners et Acc oh eerie a coca ER Ree...map of Jamaica, Hispanola, Puerto Rico, and Virgin Islands showing principal phenomena’ and localitiestmentioned |  | | Journal (article/letter/editorial) | | dated June 4, 1957, from Jim Haserodt, 166 Ñ. Cherrv St., Mt. Gilead, Ohio. The sample received is a very...stationed in Nebraska—A. Allen Graffham, 1821 S. 13th St., Lincoln 2, Nebr. A letter addressed to Mr. Graffham...months." Shad sand from Funafuti, Ellice Islands The Ellice Islands constitute a British Crown Colony in...of nine islands of which Funafuti is one. The government headquarters of the Ellice Islands is on Funafuti—the...(colorless, brownish, limpid rock crystals), greenish epidote (gemmv grains, also opaque granular masses), brown |
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