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| and age ..... 13 Fish Brook Gneiss .. 0 ........ 13 Unnamed gneiss in the Reading quadrangleo o ...Amphibolite 0 . 0 . 0 ....... 25 Undifferentiated gneiss e . . . « . 25 Rocks of pre-Late Silurian age...B member . .... 0 ....... 34 Porphyroblastic gneiss member . . 43 A member ........ 0 .... 45 ..... 0 ...... 0 100 Lower member. . . . . . 0 . . o .101 Quartz-plagioclase gneiss member. .109 Upper... .138 Biotite gneiss. ......... .140 Amphibolite . ........ o. .149 Hornblende gneiss . . 0 . . . * |
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| their map symbols. Thus the micaceous quartzite, quartz-mica-garnet schist, and calc-silicate unit of the... 0 co No siolic basement known w? Z 750 Mo gneiss igneous rocks Z rhantor F Chapter F 1 Y ...Conn. Valley belt above R.-H. zone Massabesic Gneiss Comdex 1 -<3r TACONICBERKSHIRE ZONE ChapterF............... Gneiss and schist near New Bedford (Zgs)................... Biotite gneiss near New Bedford.......................... 31 Measured section of Lower and Middle Cambrian strata of the Hoppin Formation |
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| ............................................. Unnamed lesser dislocations..............................geologic evidence along a 15km reach in northern Essex County; southwest of Lowell it is expressed as a profound...ranging from nearly ultramylonite through flaser gneiss and highly recrystallized blastomylonite; it can...Granite; Beverly Syenite; Squam Granite Unnamed granite-gneiss Ayer Granite Granodiorite and diorite...identified as Ayer Granodiorite Ayer Granite; unnamed gneiss at Bare Hill Pond Dracut Diorite and associated |
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| gabbro-diorite____________________________________ Quartz diorite facies of the Dedham granodiorite______________..._____ ___ __ __ __ ________ __ _____ __ __ Unnamed gneiss at Bare Hill Pond______________________ Igneous...relationships___________________________________ Assabet quartz-diorite__________________________________ Straw...strongly feldspathized. Its greater bulk is quartz-biotite gneiss, but amphibolite and quartzite are common...northeastward in Concord. These rocks, the Gospel Hill gneiss, appear on earlier maps as Andover granite but |
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| I135141I 205 1200-2151 Early Cretaceous Epoch or Lower Cretaceous Series Erathem Eonothem I17-22I Paleocene...NOMENCLATURE AS Apex Conglomerate (age changed) lower middle Oligocene central Utah Morris, H. T., and...middle Oligocene. Araby Formation (name adopted) Lower and Middle Cambrian Frederick Valley, western Maryland...Formation (new name). Artillery Formation (age changed) lower Miocene west-central Arizona Otton, J. K., 1979...Stratigraphic revision of Eocene, Oligocene, and lower Miocene formations of South Carolina: South Carolina |
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| Chimney Rock, composed of 509 Ma Henderson augen gneiss is in the foreground, and the exfoliated cliffs...cliffs across the valley are also Henderson Gneiss. The near-horizontal Sugarloaf Mountain thrust on Round...placed Poor Mountain Formation rocks over Henderson Gneiss is located in the trees about half way from the...L D TRIP S T O P DESCRIPTIONS Stop 1 Henderson Gneiss 91 .............105 ....................................................... Stop 6 Henderson Gneiss and Sugarloaf MountainThrust Fault ........... |
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| Silurian stratigraphy of northeastern Aroostook County, Maine 1 . David C. Roy and Ely Mencher Discussion:...stratigraphy of northeastern Aroostook County, Maine... Louis Pavlides Lower Devonian Seboomook Formation and...stratigraphic section; Goldsmith has done the same for the lower part. The authors of the symposium papers were asked...are isoclinallv folded on a broad scale but their lower contact, for many kilometres, is not folded. Isoclinal...terms, such as “granite gneiss,” “granitic gneiss,” “granulite,” “granofels,” “gneiss,” and “schist.” “Granulite |
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| I 5 iiJ DIORITE ANDOVER QUARTZ QU/NCY SHARON GRANITE SYEN/TE DIORiTE ^, ^^^...Massachusetts by Patrick J. Barosh B-13 352 Lower Paleozoic Rocks West of the Clinton-Newbury Fault...characterized by regional metamorphism of greenschist or lower facies, except for a zone of high-grade (kyanite-staurolite)...Granodiorite), and 569 ± 4 m. y. for the Northbridge Gneiss. These ages appear to have been lowered somewhat...much of the Northbridge Gneiss may be metamorphosed, Late Precambrian quartz-dacite volcanics related |
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| ....................................33 Wangary Gneiss ....................................................................................38 Christie Gneiss ...............................................................................38 Kenella Gneiss .......................................................associated syntectonic granitoids ............43 Unnamed calc-alkaline volcanics .........................................................51 Miltalie Gneiss .............................................. |
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| _____________________ Iron-formation. ________________________ Quartz-rich rocks.______________________ Correlation of...____ Cambotas Quartzite__ ___________________ Unnamed formation___________________ Discussion. _____..._________________________________ Gneiss of Cocais---__-_-_--__-----_-__-----Gneiss of Santa Barbara___________________..._________________________________________ Cocais gneiss dome__-_________-__________-_--- Page HI 2 2 2...a Lima belt of isoclinal folds.. Santa Barbara gneiss dome. ____ Metamorphism. ___________________ Regional |
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| units embrace children of the same class (i.e. at lower ranks in the same chain), so the units in each of...units embrace children of the same class (i.e. at lower ranks in the same chain), so the lithostratigraphical...intrusive) cannot be determined reliably. High-grade gneiss 'terranes', such as the Lewisian rocks of north-west...does not appear in Table l. Classification in the lower ranks (6, 5 and 4) of the hierarchy for tectonometamorphic...Two or more tectonometamorphic units of Rank 2 or lower can be united at Rank l in a superassemblage. In |
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| RESOURCES OF KERN COUNTY CALIFORNIA CALIFORNIA DIVISION OF MINES AND GEOLOGY COUNTY REPORT 1 i y 1966... Front cover: The exceedingly varied terrain of Kern County is shown by the brown section— from McKittrick...Sierra Nevada and Owens Peak (highest point in the county); on the east (right side) is the sharp descent...Rhodes. MINES AND MINERAL RESOURCES OF KERN COUNTY, CALIFORNIA By BENNIE W. TROXEL, mining geologist...geologist California Division of Mines and Geology County Report f Ferry Building, San Francisco 1962 |
 | Vysotskiy, S.V., Nechaev, V.P., Kissin, A.Yu., Yakovenko, V.V., Ignat'ev, A.V., Velivetskaya, T.A., Sutherland, F.L., Agoshkov, A.I. (2015) Oxygen isotopic composition as an indicator of ruby and sapphire origin: A review of Russian occurrences. Ore Geology Reviews, 68. 164-170 doi:10.1016/j.oregeorev.2015.01.018 | Journal (article/letter/editorial) |
| metamorphic complexes of northwestern Karelia Unnamed: gneiss (granulite) Karelia 1 Pink Karelia 2 " Khitostrov:...fractures. Violet and pink sapphire from high-aluminum gneiss was studied from the Komarovskoye occurrence located...massif at the eastern margin of the Aduysky granite-gneiss complex (Ustinov et al., 2008; Olysych et al.,...of Cape Khoboy at the same island, all hosted by Lower Paleozoic gneisses and crystalline schists of the...leucocratic granite, pegmatite, amphibolite, and quartz. The micaceous breccia matrix contains Cr-bearing |
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| 1: North Pacolet River Valley, Highway 176, Polk County 210 Stop 2: Parker-Binns Vineyards & Winery,...North Carolina Polk County Columbus 10 Miles ! Rutherfordton Rutherford County Area of Proposed Tryon...area. . S .C . N.C Henderson County k Biltmore Forest Buncombe County k Stop 6 ! au P dg e l...province (Inner Piedmont geologic province) of Polk County, NC, then cross the Blue Ridge escarpment of Polk...Carolina AVAs - Crest of the Blue Ridge Henderson County, and the proposed Tryon Foothills - as well as |
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| on a map sheet centered on the Entwine Stock of quartz under-saturated diorite through monzodiorite to...syenite, mafic metavolcanic, dioritic and vein quartz clasts reflect local provenance and indicate the...Both intrusions display miarolitic cavities and quartz calcite veins indicative of crystallization at...of the open pit is also coincident with a fault. Quartz veins, small-scale faults and foliation parallel...Porcupine-Destor fault zone and is characterized by quartz veins and stockwork hosted in green mica – bearing |
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| 71 Crystalline rocks_______---___^__________ 72 Gneiss and related crystalline rocks of Precambrian a...analyses8. Twelve samples of ground water from gneiss and related crystalline rocks of Precambrian age_________...by type of supply and geologic source for each county, 1956-57,.____________________________________...types: (1) crystalline rocks, such as granite, gneiss, and basalt; (2) carbonate rocks, such as limestone...the streams generally have higher floodflows and lower fair-weather flows than those of the Coastal Plain |
