 | Abbott, Richard N., Bandy, Betsy R., Jackson, Trevor A., Scott, Peter W. (2003) Blueschist-Greenschist Transition in the Mt. Hibernia Schist, Union Hill, Parish of St. Thomas, Jamaica. International Geology Review, 45 (1) 1-15 doi:10.2747/0020-6814.45.1.1 | Journal (article/letter/editorial) | | the Mt. Hibernia Schist, Union Hill, Parish of St. Thomas, Jamaica a b b Richard N. Abbott , Betsy R...the Mt. Hibernia Schist, Union Hill, Parish of St. Thomas, Jamaica, International Geology Review, 45:1...the Mt. Hibernia Schist, Union Hill, Parish of St. Thomas, Jamaica RICHARD N. ABBOTT, JR.,1 Department...University of the West Indies, Mona, Kingston 7, Jamaica AND PETER W. SCOTT Downloaded by [University...on the southwestern side of the Blue Mountain Inlier in eastern Jamaica. The metamorphosed sediments and |  | Willner, Arne P., Maresch, Walter V., Massonne, Hans-Joachim, Sandritter, Katharina, Willner, Gudrun (2016) Metamorphic evolution of blueschists, greenschists, and metagreywackes in the Cretaceous Mt. Hibernia Complex (SE Jamaica) European Journal of Mineralogy, 28 (6) 1059-1078 doi:10.1127/ejm/2016/0028-2561 | Journal (article/letter/editorial) | | metagreywackes in the Cretaceous Mt. Hibernia Complex (SE Jamaica) ARNE P. WILLNER1,2,3,*, WALTER V. MARESCH1, HANS-JOACHIM...river cobbles in the Mt. Hibernia Complex in SE Jamaica includes metamorphosed basaltic and clastic sedimentary...amphibole and/or actinolite), pumpellyite, lawsonite, epidote, chlorite, titanite, phengite, albite and quartz...phyllites in variable proportions, but Na amphibole, epidote, albite and titanite may also be important. Calculated...combined blueschist–greenschist sequence. Key-words: Jamaica; accretionary prism; blueschist; greenschist; lawsonite; |  | | Journal (article/letter/editorial) | | blueschist–greenschist facies metamorphism, Blue Mountain inlier, eastern Jamaica RICHARD N. ABBOTT Jr 1* and BETSY...Kingston, Jamaica 2 Cretaceous (possibly older) metamorphic rock occurs mainly in the Blue Mountain...Mountain inlier in eastern Jamaica. Fault-bounded blocks reveal two styles of metamorphism, Westphalia Schist...2007; accepted 8 May 2008 KEY WORDS metamorphism; Jamaica; Caribbean; greenschist; blueschist; amphibolite...amphibolite facies 1. INTRODUCTION Metamorphic rock in Jamaica is exposed in two erosional ‘inliers’, where the |  | | Journal (article/letter/editorial) | | Conditions in the Westphalia Schists of the Blue Mountain Inlier, Jamaica: Tectonic Implications a b Richard...University of the West Indies , Mona 7, Kingston, Jamaica c Department of Geological Sciences , University...Conditions in the Westphalia Schists of the Blue Mountain Inlier, Jamaica: Tectonic Implications, International...Conditions in the Westphalia Schists of the Blue Mountain Inlier, Jamaica: Tectonic Implications RICHARD N. ABBOTT...University of the West Indies, Mona, Kingston 7, Jamaica AND HARRY Y. M C S W E E N , JR. Downloaded by |  | | Journal (volume) | | By Thomas Sussex. Geological Society. and Portland Beds. IV. Observations on the PurbecJc V, Observations...140 PART II. XIII. Remarks on the Geology of Jamaica. F.G.S. F.R.S. F.L.S Notice on the Geology of the... 237 on some Parts of the Taunus and other Mountains of the Dutchy of Nassau ; — in Explanation...the Rev. William Buck- Quarries of the Isle of Portland. land, D.D. F.G.S. F.R.S. F.L.S Supplementary...in it paste, : and perhaps sionally contain epidote, them also chlorite. I am inclined to consider |  | | Report (issue) | | ne easresreseetrnee eeeeestee cine tare emer 83 Blue Mountains’Z One: 2.05. ce: ccs ocsceseecceccsscncusceceeacts...mentioned in text ........... 7. Index map of Jamaica, Hispanola, Puerto Rico, and Virgin Islands showing...trough occupied northeastern Jamaica. This trough faced the western Jamaica Paleozoic(?) ‘‘backland,”’...modern Yucatan basin, whereas the second segment (Jamaica, Hispanola, Puerto Rico, and the Virgin Islands)...southeastern Cuba, and by the modern Nicaragua Rise in Jamaica (Figs. 1, 13). These ridges are underlain by continentaltype |  | | Journal (article/letter/editorial) | | MAY-JUNE, 1942 Metasomatism and Intrusion in Jamaica By C. T. TRECHMANN (PLATES V AND VI) INTRODUCTION...INTRODUCTION T HE nearest known pre-Cretaceous rocks to Jamaica are Jurassic in Western Cuba, and Carboniferous...Honduras, all about 500 miles away. The evolution of Jamaica seems to have been somewhat as follows. Andine...form the oldest beds of the island, the massive Blue Mountain purple conglomerates whose composition...Maestrichtian age. Low down, however, there is in Eastern Jamaica a bed of algal and foraminiferal limestone, without |  | | Journal (article/letter/editorial) | | kilometres Atlantic Ocean Puerto Rico La Désirade Jamaica Caribbean Sea NE felsic volcanic complex Baie...vesicular with abundant geodes containing quartz and epidote. Other breccias look similar to basalts and cherts...haematite crystals and veins. Some chlorite, clays and epidote are present replacement minerals. The SW felsic...minor quartz and oxides. Clays, haematite and epidote are replacement minerals. A trondhjemite pluton...most common replacement minerals are chlorite and epidote. Although not yet dated by U–Pb methods, the felsic |  | | Journal (issue) | | Haagensen . . . . . . . . . . . . . . . . . . . . Portland State Geologist . . . . . . . . . . . . . . ....Neuendorf Main Office: 1005 State Office Building, Portland 97201, phone (503) 229-5580. Baker Field Office:...to Oregon Geology, 1005 State Office Building, Portland, OR 97201. Send news, notices, meeting announcements...publication, and editorial correspondence to the editor, Portland office. The Department encourages author-initiated...be appreciated. Second class postage paid at Portland, Oregon. Postmaster: Send address changes to Oregon |  | | Journal (issue) | | and Mineral Industries 1069 State Office Bldg. Portland Oregon 97201 SEDIMENTARY PETROLOGY OF WHISKY...0 Separa tes Mineral Percent Clinopyroxenes 21.6 Blue-green hornblende 19.4 Brown hornblende 14.2 Other...Hypersthene 5.5 Magnetite 5.2 Pink garnet 3.9 Epidote 3.7 Biotite 1.3 Minor constituents 3.3 (glaucophane...terrace sands. * 3.5,0 Separa tes Percent Mineral Blue-green hornblende 21.9 Magnetite 17.2 Brown hornblende...Clinopyroxenes Hypersthene 4.8 Clear garnet 4.7 Epidote 2.6 Clinozoisite 1.5 Zircon 1.3 Pink garnet 1.1 |  | | Journal (issue) | | Leeanne G. MacColl, Chairperson ............... Portland Robert W. Doty. . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . . . . .. Portland State Geologist. . . . . . . . . . . . . . . ...Vogt Main Office: 1069 State Office Building, Portland 97201, phone (503) 229-5580. Baker Field Office:...to Oregon Geology, 1069 State Office Building, Portland, OR 97201. ,Send news, notices, meeting announcements...publication, and editorial correspondence to the editor, Portland office. The Department encourages author-initiated |  | | Journal (article/letter/editorial) | | Rica: BA = El Baru; TIS = Talamanca. Jamaica: AB = Above Rocks; BM = Blue Mountain; GR = Ginger Ridge. Cuba:...segment, the Greater Antilles arc or arcs (Cuba, Jamaica, Hispaniola, Puerto Rico, and Virgin Islands),...Costa Rica Talamanca El Baru Jamaica Above Rocks Ginger Ridge Blue Mountains Cuba Camagüey alkaline Camagüey...granite (Fig. 3A). Jamaica Granitoid intrusive rocks crop out in the Blue Mountains, Above Rocks, and...and Central inliers of eastern and central Jamaica (Draper, 1986; Lewis and Draper, 1990). Chemical data |  | | Report (volume) | | lists. Twenty-five years ago the annual imports of Portland cement were four times the domestic production...combined production and imports of Portland cement. To-day the Portland cement industry is distributed generally...iron ore. See Limonite. Cement material (Portland). Portland cement manufactured near Demopolis, Leeds...level both free and with pyrite. Chilton County, Blue and Rock creeks. Clay County, Idaho district. Cleburne...formerly mined at Christiana. Tallapoosa County, at Blue Hill and Gregory Hill. Gypsum. Choctaw, Clarke, |  | | Journal (article/letter/editorial) | | maintains offices and a display collection of ores in Portland and issues monthly The Mineral Resources of Oregon... The chief contribution to our knowledge of the Blue Mountain region of eastern Oregon has been made...either Oregon is divided by the great Cascade Mountains into two very diverse regions, western and eastern...lowland west of the Middle and Northern Cascade Mountains." In Orgeon this is known as Willamette Valley...found within this area. 3. "The Middle Cascade Mountains are that portion of the Sierra-Cascade Province |  | | Report (volume) | | Survey's lists. Twenty-five years ago the imports of Portland cement were four times the domestic production...combined production and imports of Portland cement. To-day the Portland cement industry is distributed generally...iron ore. See Limonite. Cement material (Portland). Portland cement manufactured near Demopolis, Leeds...level both free and with pyrite. Chilton County, Blue and Rock creeks. x Clay County, Idaho district....formerly mined at Christiana. Tallapoosa County, at Blue Hill and Gregory Hill. Gypsum. Choctaw, Clarke, |  | Torró, L., Garcia-Casco, A., Proenza, J.A., Blanco-Quintero, I.F., Gutiérrez-Alonso, G., Lewis, J.F. (2016) High-pressure greenschist to blueschist facies transition in the Maimón Formation (Dominican Republic) suggests mid-Cretaceous subduction of the Early Cretaceous Caribbean arc. Lithos, 266. 309-331 doi:10.1016/j.lithos.2016.10.026 | Journal (article/letter/editorial) | | shear zone (actinolite + phengite + chlorite + epidote + quartz + albite ± ferri- MA winchite ± stilpnomelane)...Schneider et al., 2004; Stanek et al., 2006) and Jamaica (e.g., West et al., 2014; Willner et al., 2016)...constraints proposed by Hawthorne et al. (2012). Epidote was normalized to 3 Si, and plagioclase to 8 O...calculations in order to reproduce the presence of epidote in key assemblages stable within the P-T window...feldspar, clinopyroxene, chlorite, white mica and epidote are those of Dale et al. (2005), Fuhrman and Lindsley |  | | Report (issue) | | Geology of the Blue Mountains Region of Oregon, Idaho, and Washington: Petrology and Tectonic Evolution...Evolution of Pre-Tertiary Rocks of thte Blue Mountains Region U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER AVAILABILITY...CENTER, Mississippi Bldg. 3101 Geology of the Blue Mountains Region of Oregon, Idaho, and Washington: Petrology...Tectonic Evolution of Pre-Tertiary Rocks of the Blue Mountains Region TRACY L. VALUER and HOWARD C. BROOKS...tectonic evolution of pre-Tertiary rocks of the Blue Mountains region / Tracy L. Vallier and Howard C. Brooks |  | | Report (issue) | | terranes and geologic evolution of the Cuddy Mountains region, western Idaho...........................Wallowa terrane Harpster lo w Terranes of the Blue Mountains region Salm on Lowell iver Fleck and Criss...In contrast, on the west near the Seven Devils Mountains and the Lower Salmon River, the granites also...in the Salmon River Canyon, the Seven Devils Mountains, Cuddy Mountain, and near Huntington (figs. 1...Lindgren traversed the area of the Clearwater Mountains and Bitterroot Range extending from the Bitterroot |  | | Journal (issue) | | Contents PAGE ARTICLES Bauxite Resources of Jamaica and their Development. By V. A. Zans, Mag. Rer...Senior Geologist, Geological Survey Department,Jamaica, B. W.I. . . . . . . . 307 Coal in the Bechuanaland...,, Hill, near Mandeville, Jamaica, B.W.I. • 312 Bauxite Mining in Jamaica, B.W.I. • • • '' 313 ,, ,,... • • • General Map of Jamaica ,, '' '' '' • • '' '' ,, '' ,, '' ,, '' '' '' • • • • • ...Sections across Central Jamaica page Typical Sections of Bauxite Deposits in Jamaica • . facing p. Geological |  | | Report (issue) | | slight decrease with increasing grain size, and epidote shows little significant change. The most common...augite with rare diopsde), and hornblende (green, blue-green,brown and basaltic varieties). In the clinopyroxene...(colorless and pink, with rare yellow varieties) and epidote (including rare clinozoisite and zoisite) occur...(sample means) statistical test. Only hornblende and epidote showed significant differences. Hornblende is significantly...in the beach and dune sands of Clatsop Beach. Epidote was significantly lower in beach sands overall |  | | Journal (issue) | | location: State Office Bldg. 800 NE Oregon St. Portland, OR 97232 OREGON GEOLOGY (ISSN 0164~) VOLUME...Culbertson, Chair . Myrtle Creek John W. Stephens Portland Jacque line G. Haggerty-Foster . Pendleton Stale...Office: Su ite 965, 800 NE Oregon Street It 28, Portland 9n32. phone (503) 731-4100. FAX (503) 73 1-4066...Lynch. Supervisor. Second clan postage paid at Portland. Oregon. Subscription rates; I year, $8; 3 years...Geology, Suile 965, 800 NE Oregon S!Tee\ If 28, Portland 97232. Perm ission is granled 10 reprinl information |  | | Report (volume) | | Formation names and ages used in the Wallowa Mountains and vicinity ____________________________________________...the heart of the rugged Wallowa Mountains, part of the Blue Mountains geologic province. It consists of...Wilderness as it existed in 1970. The term Wallowa Mountains is intended to designate the entire range, both...Eagle Cap Wilderness covers much of the Wallowa Mountains, an isolated range that occupies parts of Baker...were studied in the summer of 1972. The Wallowa Mountains are roughly dome shaped, with relatively gentle |  | | Report (chapter) | | The plutons on the eastern side contain magmatic epidote, indicating crystallization at >7kbar (Zen 1988;...alkali-feldspar-bearing units, and contains magmatic epidote. Only the easternmost part of the Hazard Creek...granodioritic in composition, and there is no magmatic epidote. The SALMON RIVER SUTURE ZONE 217 Fig. 4. Regional...contractional structures related to initial accretion of the Blue Mountain arc terranes to cratonic North America...western border, and locally contains magmatic epidote. Only the western margin of the tonalite is affected |  | | Journal (issue) | | Lazaretto Section, Jamaica. By L. J. Chubb, F.G.S., GeologicalSurveyDepartment,Jamaica . Ph.D., Some New...326 vii Illustrations The Lazaretto Section,Jamaica Plate I The Lazaretto fr01n Fort Clarence Road...274 and 275 page 273 THE LAZARETTO SECTION, JAMAICA By L. J. CHUBB, PH.D., M.Sc., F.G.S. Geologist...Geologist, GeologicalSurvey Department,Jamaica Abstract IN THE LAZARETTO DISTRICT OF THE PORT HENDERSON...limestone (Middle and Upper Eocene) is widespread in Jamaica, in areas where the underlying rock is not a metamorphic |  | | Journal (issue) | | Sonora, Mexico By Bob Jones 51 LOOKING BACK 20 EPIDOTE A Beautiful Product of Metamorphism Reader Recollection...color components of red, orange, yellow, green, blue, indigo, and violet. (Left to right) Abalone shells...Auctions); This moonstone gem exhibits a pleasing blue iridescence (Wikimedia Commons); and fossilized...perceive as red absorb the orange, yellow, green, blue, indigo, and violet wavelengths and reflect only...the feather surfaces creates the intense, greenand-blue structural colors of iridescence. The cause of iridescence |
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