 | 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...P–T pseudosections show that the assemblage glaucophane–pumpellyite–chlorite occurs only in a restricted...combined blueschist–greenschist sequence. Key-words: Jamaica; accretionary prism; blueschist; greenschist; lawsonite;... One of these occurrences is on the Island of Jamaica. Continuing on from a brief petrographic description |  | | 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) | | Beds, A. L. du Toit, 473. Fossils from Blue Mountains, Jamaica, C. T. Trechmann, 481. Fossils, Preservation...Metallization from S. J. Shand, 116. Basic Magmas, 522. Glaucophane in Scottish Rocks, W. Hume, W. F., Harwood, H...Carboniferous Stratigraphy, 47. Mackie, W. M., Glaucophane in Scottish Rocks, 479. Macnair, P., Scolithus...Limestone, 347. Trechmann, C. T., Fossils from Blue Mountains, Jamaica, 481. Trinucleus in the Girvan Area, J |  | | 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...Epidote 3.7 Biotite 1.3 Minor constituents 3.3 (glaucophane, enstatite, zircon, clinozoisite, olivine, sphene...terrace sands. * 3.5,0 Separa tes Percent Mineral Blue-green hornblende 21.9 Magnetite 17.2 Brown hornblende...Clinozoisite 1.5 Zircon 1.3 Pink garnet 1.1 Glaucophane 1.0 Ilmenite 1.0 Minor constituents 2.3 (biotite |  | | Report (issue) | | ....................................... 6 Glaucophane................................................augite with rare diopsde), and hornblende (green, blue-green,brown and basaltic varieties). In the clinopyroxene...tremolite/actinolite, sillimanite, chloritoid, glaucophane, tourmaline, and topaz(7). Table 1 shows means...aegerine-augite, glaucophane, rutile, chloritoid, andtopaz(?). White (1968, Table 4) identified glaucophane and rutile...the ultimate source in this region would be. Glaucophane. Of all the minerals not previously identified |  | | Book | | the The Physiographic Features of the Klamath Mountains. Journal Geology, Vol. 10, No. 2, pp. 144-159... 1854. Geology and physical features Rocky Mountains, with miscellaneous of the country west of the...Elkhorn Mountain and Rock Creek District of the Blue Mountains, Oregon. Eng. & Mg. Jour., Vol. 62, p. 128...the states and territories west of the Rocky Mountains, pp. 590-2, 186S. 18. Browne, 19. Brown, Robert...322-412, 1904. Discussion of the land slide at the Portland reservoir. Wm. Bullock. The Tejon Strata of Oregon |  | | 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 |  | | Journal (article/letter/editorial) | | newly grown phases, pumpellyite, aragonite, glaucophane, and/or jadeitic pyroxene. These blueschistfacies...42° Franciscan metamorphic zonation Klamath Mountains z z pumpellyite T CR z 40° laumontite ...terrane + 53 Central Belt mélange 90 + Klamath Mountains Eastern Belt Serpentinized peridotite 0 10...other index phases such as pumpellyite ± aragonite ± blue amphibole and/or jadeitic pyroxene-quartz (Ernst...Belt Pickett Peak rocks bordering the Klamath Mountains (Figure 3) underwent higher-T and lower-P conditions |  | | Journal (article/letter/editorial) | | phengite, albite, and chlorite, and of hornblende, glaucophane, actinolite, (clino)zoisite, epidote, albite...conditions typical of subduction are attested to by glaucophane-bearing assemblages in the Arroyo Cangre metabasites...Sierra Verde Formation contain lawsonite and glaucophane (Millán, 1997a), indicating subduction-related...graded through a transitional lawsoniteactinolite-glaucophane–bearing schist (zone II) to the lower grade ...Escuder-Viruete et al. (2004). A similarly imprecise glaucophane K-Ar age of >100 Ma was reported by Joyce and |  | | Journal (article/letter/editorial) | | and geophysicists— because in these spectacular blue-colored rocks much information is stored regarding...GR = granulite; EC = eclogite; LG = lawsonite-glaucophane subfacies; AmEC = amphiboleeclogite subfacies;...pumpellyite-glaucophane subfacies; EG = epidote-glaucophane subfacies; LG = lawsonite-glaucophane subfacies...absence of pre-Mesozoic blueschists of the jadeite-glaucophane-facies type, and concluded that decreasing global...occur in latest Proterozoic rocks. Jadeite-, glaucophane-, lawsonite-, and aragonite-bearing rocks often |  | | Journal (article/letter/editorial) | | Introduction Pods and lenses of eclogite and garnet glaucophane schist are minor, but mineralogically spectacular...Franciscan metasedimentary rocks. Low-grade glaucophane schists and related rocks in the surrounding...the site of the Sierra Nevada Range and Klamath Mountains by ~175 Ma attending transpressive eastward underflow...detritus into the ophiolitic realm of the Klamath Mountains and Sierra Nevada Foothills (Miller and Saleeby...the Klamath Mountains relative to both the Sierra Nevada on the SE and the Blue Mountains on the NE (Snoke |  | | 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 |  | 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) | | Schneider et al., 2004; Stanek et al., 2006) and Jamaica (e.g., West et al., 2014; Willner et al., 2016)...and Ca-Na- amphiboles do not form (Fig. 5). Glaucophane was not detected in Maimón metabasites in spite...search. In the blueschist facies, Fe-rich NU glaucophane would first grow in metabasite rocks with low...relative to MgO would be expected to D form Fe-glaucophane. In Group O1 metabasites, MgO is steadily enriched...composition plot out of the stability field of CE P glaucophane. Accordingly, metabasites from the Ozama shear |  | | Journal (article/letter/editorial) | | ultrabasic rocks. The docite-andesite group. Glaucophane and associated schists. Relations to the Myrtle...(LOWER CRETACEOUS)SEA. THE BOUNDARY OF THE KLAMATH MOUNTAINS. NOMENCLATURE. SUMMARY OF RESULTS. INTRODUCTION...writer, in the course of an investigation of the glaucophane schists of California, made a trip into southern...(about lat. 430 15' north), and the Klamath' Mountains (about 420 30' north). This field has been studied...deposition indicated, the Kla- Late Jurassic math Mountains probably submerged.)ate 3. Upraising of Klamath |  | | Report (volume) | | ). The physiographic features of the -Klamath Mountains. Jour. Geol., vol. 10, pp. 144-159, 1902. Describes...(William B.), Nutter (Edward H.) and. On some glaucophane and associated schists in the Coast Ranges of...of well waters. 92 The geology of the Galiuro Mountains, Arizona, and of the gold-bearing ledge known...(ditroite) from Ice River Valley, Canadian Eocky Mountains. Geol. Mag., dec. iv, vol. 9, pp. 199-206, 1902...Whymper, esq., F. R. S. E., in the Canadian Rocky Mountains. Geol. Mag., dec. iv, vol. 9, pp. 544-550, 1902 |  | | Book | | the Tertiary Period 6 the columbia and rocky mountains Geography Late Cenozoic mountain building 67...rocks in the range core 85 Viii the klamath mountains of oregon 140 The history in brief Pre-Jurassic...Pliocene record 226 233 Blue Mountains structure Glaciers in the Olympic Mountains Miocene orogeny 223...The search for petroleum 12 220 220 the Blue Mountains 163 The Columbia River Basalt 218 The Cordilleran...Geosyncline in 159 Early Tertiary geography the blue mountains province Geography and structure 157 The |  | | 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 |  | | Journal (issue) | | Donald A. Haagensen, ............................ Portland Sidney R. Johnson ..............................910 State Office Building, 1400 SW Fifth Ave., Portland 97201, phone (503) 229-5580. Baker Field Office:...Lynch, Supervisor Second class postage paid at Portland, Oregon. Subscription rates: 1 year $6; 3 years...to Oregon Geology, 910 State Office Building, Portland, OR 97201. Permission is granted to reprint information...to Oregon Geology, 910 State Office Building, Portland, OR 97201. Information for contributors Oregon |  | | Report (volume) | | coast of North America is bordered by a belt of mountains which is from 100 to 200 miles wide. This belt...elsewhere. South of this interrupting mass of mountains, which is dominated by Mount Shasta, the Great...Valley is separated by the transverse Tehachapi Mountains from the Mohave Desert. This in turn is separated...System of mountains. As the Pacific valley belt separates in general two parallel ranges of mountains, so these...Puget Sound and the ocean, stand the Olympic Mountains, which attain a height of 8,000 feet. Very little |  | | Book (edition) | | 69 Klamath Mountains . . . . . . 77 Deschutes- Umatilla Plateau 87 Blue Mountains " . . .. ... 94 . . . 94 107 Western Blue Mountains Eastern Blue Mountains High Lava Plains 117 ....... . Basin...Stonewall and Heceta banks Geologic map of the Portland area . . . . . . Columnar basalt at Skinner Butte...in distance . . . . A. W. "Lon" Hancock, late Portland paleontologist and Aniynodon skull Alfio1nastadon...Mitchell . . . . . . . . . . . . . . Wallowa Mountains with Wallowa Lake surrounded by glacial moraine |  | | Book | | ................................... 38 THE BLUE MOUNTAINS Interstate 80: Baker - Ontario ..............WILLAMETTE VALLEY .................. 54 Interstate 5: Portland - Eugene .............................................................. 71 U.S. 26: Seaside - Portland ............................................................. 74 U.S. 30: Astoria - Portland ................................................................ 91 •• VII Oregon 18: Lincoln City - Portland ............................................ 99 |  | | Book | | those that form batholiths in the cores of fold mountains are metasomatic in origin, the result of “granitization”...developed by selective melting of the roots of fold mountains built mainly from thick piles of geosynclinal...huge sills of serpentinite common in many fold mountains from the latter. iNTRonucrnox 5 liecaiise...pre¬ dominate in the circum-Pacihc belt of fold mountains, they have been grouped as the Pacific type; and...(globulites) emphasize the fluidal banding. C. Turtle Mountains, California. Diam. 1 mm. Hornblende and sanidine |  | | Journal (article/letter/editorial) | | facies characterized by the common appearance of the blue green hornblende-epidote-oligoclase assemblage,...axial colors of metamorphic hornblendes are green to blue green, and the scheme does not depend on their grain...kyanite-silimanite type Choudhuri (1974) 3 pairs from the Blue Mountains Formations, low pressure northern Guyana intermediate...Actinolite-hornblende pairs in metamorphic gabbros, Hidaka Mountains, Hokkaido. Contrib. Mineral. Petrol. 49, 125 140...assemblages in the system actinolite-hornblende-glaucophane. Am. Mineralogist 54, 212 237 (1969) Leake, B |  | | Report (issue) | | Paleocene metamorphism and magmatism in the Funeral Mountains metamorphic core complex, Death Valley, California...Saleeby and colleagues, concerns the Tehachapi Mountains, the southernmost portion of the Sierra Nevada...of the Maksyutov Complex in the southern Ural Mountains of Russia. This unit, inferred to be an ultrahigh-pressure...constitutes the basement of the Transantarctic Mountains. The igneous activity, metamorphism, deformation...ABSTRACT The Orocopia Schist of the Orocopia Mountains is part of the regionally extensive Pelona-Orocopia-Rand |
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