 | | 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 |  | | 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 |  | | 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...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 Atlantic...Most of the major islands in the Caribbean (lesser Antilles, Hispaniola, Virgin Islands, and Puerto Rico) |  | | Journal (article/letter/editorial) | | Geology, University o f Miami, Coral Gables, Fla. {USA) and D.E. FISHER Rosenstiel School o f Marine and...Atmospheric Science, University o f Miami, Miami, Fla. (USA) Received September 18, 1975 Revised version received...measured on igneous rocks from islands of the Limestone Caribbees (St. Martin, St. Bartholomew, Antigua, and...data indicated that rocks on several of these islands are Eocene in age and among the oldest known in...in the arc. The oldest igneous activity on the islands studied is 35-40 m.y. Bifurcation of the Lesser |  | | Journal (article/letter/editorial) | | basis of further study of spilites of St. John, Virgin Islands, concludes that 'Burial metamorphism could...the system. The sub-calcic or pigeonitic matrix augite of basaltic rocks is particularly prone to alteration...contains calcium as witnessed by the presence of augite, but also with the absence of albite phenocrysts...(1960). HS: average of 63 spilites from St. John, Virgin Islands. Hekinian (1971), p. 670. S: miscellaneous...Crosses represent individual analyses from Virgin Islands. Donnelly (1966), pp. 146,147. S: all spilite |  | | Report (issue) | | GEOLOGICAL SURVEY Virgin Islands Sand Resource Study 1978 by Charles W. Holmes U.S. Geological Survey...geology 13 Eastern zone 16 Western zone 25 Virgin passage 26 Northern shelf 26 Late Pleistocene-Holocene...roads 34 Central inner shelf - St. Thomas 38 Eastern inner shelf - St. Thomas 42 Nature and composition...area 3 Figure 2. Structural section of the Virgin Island Ridge 8 2.5 kHz profile south of Charlotte...movement 9 Figure 3. Figure 4. Topography of the Virgin Island Platform Figure 5. Track lines of vessels |  | | Report (issue) | | neighboring islands of Culebra and Vieques viewed from orbit by Gemini V in 1966, at the height of the U.S. Geological...Geochemistry of intrusive igneous rocks, St. Croix, U.S. Virgin Islands Edward G. Lidiak and Wayne T. Jolly...Miocene to the Recent in Puerto Rico and the Virgin Islands is associated with easterly transtensional...counterclockwise rotation of the Puerto Rico and Virgin Islands platform (Reid et al., 1991). Surrounding this...basins are separating the Puerto Rico-northern Virgin Islands arc terrane from adjacent arc terranes in Hispaniola |  | | Report (issue) | | INTERIOR Geological Survey WATER IN ST. JOHN, U.S. VIRGIN ISLANDS by Oliver J. Cosner . with a chapter...National Park Service and Government of the Virgin Islands 1972 72-7? DENVER ABSTRACT Water for domestic...domestic and municipal supply on St. John, in the past, has been obtained from rain catchments, dug wells...wells, and barge shipments from St. Thomas and Puerto Rico. As a result of this study, small ground-water...ground-water supplies have been developed for the Virgin Islands National Park. Ground water occurs in significant |  | | Journal (article/letter/editorial) | | interstices contain small grains of aegirine, aegirine-augite, alkali feldspar, plagioclase,apatite, biotite...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 ....drill holes, Reykjavik and Hveragerdi, Iceland. U.S. Geol,.Sun. Prof . Pap ,45O-E,877-E79. Slrrrn, R |  | | Report (issue) | | 64"30'W us --+------'VI;.;.:..:RG=IN----1 ISLANDS ~ St Croix 17"30' '---~- SUMMARY APPRAISALS OF...U VI c:::?.;~ Geographic lndex to the Series, U.S. Geological Survey Professional Paper 813, Summary...Underground-Puerto Rico. 2. Water, Underground- Virgin Islands of the United States. I. Heisel, J. E., joint...80-607817 For sale by the Superintendent of Documents, U.S. Government Printing Office Washington, D.C. 20402...------------------- 12 Puerto Rico's offshore islands---------------------------- 12 Vieques _______ |  | | 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) | | LYELL, CH.: Elements of Geology. - - 543 S., London (John Murray) 1888. - - : Principles of Geology, Or the...- Vol. I: 671 S. ( l l t h Rev. Edit.), London (John Murray) 1872. PETTIJOHN, F.J., POTTER, P.E. • S1EVER...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 |  | | 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) | | 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...by the Louisenhoj Formation, which consists of augite-andesite breccias that have undergone somewhat...Rocks from the Water Island Formation of the Virgin Islands are shown as open squares (Donnelly et al. |  | | Journal (article/letter/editorial) | | volcanism in northeast Puerto Rico and the Virgin Islands (Greater Antilles Island Arc): Genetic links...a Department of Earth Sciences, Brock University, St. Catharines, ON Canada L2S 3A1 Department of Geology...Science, University of Pittsburgh, Pittsburgh, Penna., USA 15260 c Department of Geography and Geology, McMaster...dramatically from east to west along the arc. In the Virgin Islands, the sediment component ranges betweenb 0.5...along the length of the arc platform. In the Virgin Islands on the east, rhyolites comprise up to 80% of |  | Shagam, R., Hargraves, R. B., Morgan, W. J., Houten, F. B. Van, Burk, C. A., Holland, H. D., Hollister, L. C. - Eds. (1972) Studies in Earth and Space Sciences. GSA Memoir 132. Geological Society of America doi:10.1130/mem132 | Report (issue) | | Copyright is not claimed on any material prepared by U.S. Government employees within the scope of their employment...Complex, Northern Greece .Jay Zimmerman, Jr. 225 St. Paul’s Rocks, Equatorial Atlantic: Petrogenesis...for the Emplacement of AlpineType Serpentinite .John P. Lockwood 273 A Primary Peridotite Magma—Revisted:...Subaerial Island-Arc Volcanism: An Example from the Virgin Islands.Thomas W. Donnelly Chaotic Sedimentation...Washington: Incipient Graywacke-Type Sedimentary Rocks?.John T. Whetten 573 Deformation of Materials Mechanical |  | | Report (volume) | | REINHARD LEINZ, U.S. GEOLOGICAL SURVEY, and FRANCIS E. FEDERSPIEL and ANDREW M. LESZCYKOWSKY U.S. Bureau of...terrain in the Coast Ranges. Snow Mountain and St. John Mountain, the most prominent landmarks in the...m) (3.2 km southeast of the summit of St. John Mountain, St. John Mountain 7i-minute quadrangle), Bonnie...Snow Mountain East, 2,151 m above sea level, and St. John Mountain, 2,056 m, are separated by the canyon...shrubs. Below the summit and above about 1,350 m, virgin forest of pine, fir, and cedar cover most of the |  | | Journal (article/letter/editorial) | | calcium-yttrium relationships in minerals ma rocks RICHARDST JOHN LAMBERT Depbment of Geology,Universityof Alberta...in the following. 1383 6 1394 HOLLAND RICHARD ST JOHNLAMBERT and JAMESGREN-VILLX The development...fact, concluded that kaersutite 1396 RICHARDST JOHN LAMBERTand JAMES GRENVI~ HOLLAND Table 1. New...K-feldspar, muscovite, biotite, riebeckite and aegirine-augite all contain enough Y to have Ca/Y usually <2000...relative to Ca, particularly compared with either augite or plagioclase. The crystal chemistry of hornblende |  | | Report (volume) | | International Development~ U.S. Department of State This report describes the geology shown. on U.S. Geological Survey...77-608145 For sale by Superintendent of Documents, U.S. Government Printing Office Washington, D.C. 20402...by the Liberian Geological Survey (LGS) and the U.S. Geological Survey (USGS) between June 1965 and June...Liberia and the Agency for International Development, U.S. Department of State. Systematic quadrangle mapping...shown on Miscellaneous Investigations Map I-778-A. (U.S. Geological Survey-Liberian Geological Survey, 1973) |  | | Journal (article/letter/editorial) | | PAPEZIK Department of Geology, Memorial University, St. John’s Newfoundland, Canada (Received6 October1964)...Que. Lakefield, Que. St,. Urbein, Que. St. Vincent de Paul, Que. Lake St. John, Que. Shelter Bay, Que...elinopyroxene a dark green somewhat t&miferous augite. Both are aftered to a small extent to chlorite...referred t,o as t,he Cartierville, Oka, Lakefield and St. Vincent localities. OSBORNE Cartie4wXle X small...of microscopic inclusions. Bronzite (En,,& and augite are present in equal amounts; both are finely granular |  | Coombs, D. S., Kawachi, Y., Houghton, B. F., Hyden, G., Pringle, I. J., Williams, J. G. (1977) Andradite and andradite-grossular solid solutions in very low-grade regionally metamorphosed rocks in Southern New Zealand. Contributions to Mineralogy and Petrology, 63 (3) 229-246 doi:10.1007/bf00375574 | Journal (article/letter/editorial) | | in a fault-bounded and partially amphibolitized augite cumulate rock at Whare Creek. Varied actinolitic...andradite, surrounded by hornblende and relict augite. Whare Creek, Takitimu Mountains. D Grandite-bearing...(pale) with some quartz; also actinolite and relict augite Andraditic Garnets in Low-Grade Metamorphic Rocks...enclosed within and possibly partially replace clastic augite, much as in the Whare Creek rock, though without...rocks the latter occurs as delicate overgrowths on augite embedded with the analysed garnets in chlorite |  | | Report (issue) | | ROCKS OF THE COAST OF LIBERIA by Richard W. White U.S. Geological Survey Prepared as part of the joint...project of the Liberian Geological Survey and the U.S. Geological Survey sponsored by the Government of...ROCKS OF THE COAST OF LIBERIA by Richard W. White U.S. Geological Survey ABSTRACT Two basins containing...with second-growth bush; only isolated patches of virgin tropical rainforest remain in the coastal area...Geological and the U.S. Geological Survey under the sponsorship of the of Liberia and the U.S. Agency for International |  | | Journal (article/letter/editorial) | | archipelago, notably Malta. It has provided the islands’ main building material since the Neolithic period...Archipelago is realized (Figure 1). A description of the islands penned by Johannes Quintinus D’Autun (1500–1561)...industrial mineral terrestrial resource of the Maltese Islands. It is easy to quarry—it is “soft, and easy to...and 288 km north of Libya, and comprises several islands, the inhabited ones being Malta, Gozo and Comino...and 288 km north of Libya, and comprises several islands, ited ones being Malta, Gozo and Comino. 93 km |  | | Journal (article/letter/editorial) | | primary minerals are plagioclase (An72 to An16), augite (Wo4aEnaaFsla tc W%0EnasFs22), olivine (FoTato...pegmatite contains a mineral assemblage including augite, ferrosalite (Wo49En2sFs2a to Wo49En14FsaT), albite...and lower in aluminum and titanium than basaltic augite. Introduction The Sierra A n c h a sill complex...(estimated) is 60% plagioclase, 25% olivine, 4% augite, 3% iron-titanium oxides, 1% biotite, a trace of...(estimated) is 45% plagioelase, 10% olivine, 25% augite, 4% iron-titanium oxides, 2% biotite, a trace of |
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