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| Highway 17 road log South March feldspar mine March mica mine Humphreys feldspar mine Currie barite occurrence...quarry Renfrew–Madawaska area Renfrew County Road 4 (Bruce Avenue) roadcut Highway 60 quarry Jamieson marble...marble quarry Bonnechere quarry Kneichel quarries Bonnechere Caves Eganville–Quadeville–Combermere area Meany...Twenty Minute Lake occurrence Niemetz and Ross quarries Nova Beaucage mine River Valley garnet mine Nipissing...Waltham, Quebec area – Highway 148 road log Lavigne quarries Dufferin Aggregates quarry Deschênes quarry vii |
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| 52–57 Ri Fl am a be u 47–51 41 59 58 B l a c k Ri ve 12 46 45 57 141 ver 94 r Ri 35–36...���������������� 192 57. Mountain Precambrian Feldspar ������������������������������������������������������...����������������� 210 62. Stettin Precambrian Feldspar �����������������������������������������������������������...��� 255 77. Kornstead Road Precambrian Gabbro Quarries �������������������������������� 257 78. Mineral...permitted. Many entries in this book are in city parks, county parks, state forests, state parks, federal lands |
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| COMMERCE P.O. B o x 5 3 9 , B a n c r o f t , O N K 0 L 1C0 Tel: (613) 332-1513 F a x : (613) 332-2119... with excellent samples of titanite, apatite, feldspar, biotite and hornblende. See the Chamber of Commerce...WARWICKITE OCCURRENCE 3 7 DIAMOND LAKE ROADCUT 3 8 GRACE LAKE ROADCUT 3 8 DESMONT MINE 3 9 ESSONVILLE...glasses when using a rock hammer and/or chisel. 3. M a k e sure no one is working directly above or below you...NORTH OCCURRENCES Herschel augite, actinolite, feldspar, apatite, scapolite, titanite BESSEMER MINE Mayo |
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| Mica Schist intruded by Lawler Peak Granite. 1.0 Roadcut in Hillside Mica Schist intruded by Early Proterozoic...Hillside Mica Schist intruded by aplite-pegmatite. 2.3 Large roadcut contains Hillside Mica Schist intruded...sills and dikes of aplite-pegmatite. 3.4 Tertiary fanglomerate in roadcut. Large dike of aplitepegmatiteprojects...one-quarter mile on the left are light aplite-pegmatite intruded by tan-weathering, ocher-stained, strongly...Granite, but some aplitepegmatite is present. 5.2 Roadcut in Tertiary fanglomerate that locally covers Lawler |
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| All-Metals mine Gibson Road (western) occurrence Gill quarries Highway 507 road-cut Fraser quarry Nu-World uranium...garnet occurrence McGown Mine Burcall Mine McKay feldspar mine Ojaipee Mine McQuire Mine 105 SOUTHERN...quarry Cruikshank quarry Wiarton-Oliphant Road quarries Albemarle zinc occurrence Hope Bay quarry Collingwood...Ojibway Mine St. Marys quarries Ingersoll quarries Drumbo Mine Guelph-Hespeler quarries Georgetown-Forks of...quarry Credit Forks celestite occurrence Milton quarries Waterdown area Mount Nemo quarry Nelson quarry |
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| of the] FM-TGMS-MSA Wulfenite Symposium (chairman: K. Wenrich) 21:98100 Abstracts of the FM-TGMS-MSA Symposium...(chairman: K. Wenrich) 22:65-69 [Abstracts of the] FM-TGMS-MSA Symposium on Garnet (chairman: K. J. Wenrich)...cobalt deposit, Sweden 3:38-39 Notes on recent underground collecting at L.\ngban [Sweden] 10:215-217 ADULARIA...Iaria from the Howard-Montgomery quarry, Howard County, Maryland (by J. S. White) 25:53-54 AFGHANISTAN...Iron-manganese phosphates of the Williams pegmatites, Coosa County, Alabama (by P. B. Leavens & T. A. Simpson) 6:66-73 |
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| long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals were taken from quartz veins...region (Brunet, I 977b ). NEW YORK Amity, Orange County. At many isolated collected sites between the towns...Litchfield County. Ilmenite masses and crystals from somewhere near Washington, Litchfield County, were described...Lake Road occurrence, Faraday Township, Hastings County. In fall 1994, Dan and Shelley Lambert extracted...Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's finest ilmenite specimens |
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| MAP OF CUYAMACA PEAK 7% f QUADRANGLE, SAN DIEGO COUNTY, CALIFORNIA By Victoria R. Todd Open-file report...map of Cuyamaca Peak 7%' quadrangle, San Diego County, California Purpose of project: Published maps...Peninsular Ranges batholith in southern San Diego County comprise a relatively unfaulted block but topographic...feature of the plutonic rocks in southern San Diego County is the prevalence of synplutonic contacts between...Mountain, Poser Mountain) in south-central San Diego County were coeval, and the present study agrees with |
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| Distribution of Li, Na, K, Rb, Cs, Pb and Tl in southern Norwegian pre-Cambrian alkali feldspars K. S. HEIER* and...have been determined spectrographicall?-and St1 and K by flame photometer in eighty-eight feldspars from...described. Sormal K/Rb ratios are found except for those from some large pegmatite feldspar which are enriched...shown to be related to feldspar structure and bulk composition. Changes in the K/Kb ratio are traced with...on the map Fig. 1. 284 Distribution of Li, Sa, K, Rb, Cs, Pb and Tl in southern Sorwegian pre-Cambrian |
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| records for some of the minerals found in the three quarries. Ca(OH)2 PORTLANDITE A pale grey chert-like mass...minerals have been noted. SIL VER IODIDE Agl A pegmatite boulder containing patches of massive chalcocite...selwynite, wycheproofite and kosnarite, discovered in pegmatite veins in the granite quarry at Wycheproof in 1990...is the first record of a primary iron-bearing pegmatite phosphate in any of the granites in the region...electron micrographs.. Bai, T. B., van Groos, A. F. K. and Guggenheim, S., 1994: Phase transition, dehydration |
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| Topographic and Geologic Survey was able to respond to county health officials with details down to the level...zones at a house in Colebrookdale Township, Berks County, which came to the authorities’ attention as having...(Continued) Deposit types (Continued) Allanite-bearing pegmatite . . . . . . . . . . . . . . . . . . . . . . ....Northampton County . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C. K. Williams...Williams quarry, north part, Northampton County . . . . . . . . . . . . . . . . . . . . Granitic host . . . |
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| John C. Reed, Jr. U.S. Geological Survey Trip Leader K. Lee Shropshire University of Northern Colorado Chairman...basalts; felsic rocks fall in the calcalkaline to high-K rhyolite fields on K2O vs. Si(>2 diagrams and in the...the rhyolite to dacite fields in normative Qtz-K-feldspar-plagioclase classification of Streckeisen (1980)...Outcrop of amphibolite and felsic gneiss cut by pegmatite and fine-grained leucocratic dikes. 2.4 Conspicuous...additive to cattle feed, and for road metal. 8.9 Roadcut in Proterozoic granite mapped as Pikes Peak by |
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| and small lenticular bodies of granodiorite, pegmatite, and ultramafic rock of early or middle Paleozoic...district. In many places the granodiorite and pegmatite look cataclastic, but actually, as the microscope...of medium -grained schist containing pods of pegmatite. 8.9 Fine-grained, medium-colored biotite gneiss...augen gneiss in which porphyroclasts of potassium feldspar occur in a fine grained 15.0 Fine-grained layered...layered amphibolite and biotite gneiss with small pegmatite pods and a layer of medium-grained, light-colored |
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| and small lenticular bodies of granodiorite, pegmatite, and ultramafic rock of early or middle Paleozoic...district. In many places the granodiorite and pegmatite look cataclastic, but actually, as the microscope...of medium -grained schist containing pods of pegmatite. 8.9 Fine-grained, medium-colored biotite gneiss...augen gneiss in which porphyroclasts of potassium feldspar occur in a fine grained 15.0 Fine-grained layered...layered amphibolite and biotite gneiss with small pegmatite pods and a layer of medium-grained, light-colored |
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| Chevkinite-(Ce), a Rare-Earth Titanosilicate from Northampton County, Pennsylvania Page 3 Rocks and Water— The Conflict...Chevkinite-(Ce), a Rare-Earth Titanosilicate from Northampton County, Pennsylvania Some Rare-Earth Minerals in Pennsylvania...albite-hornblende-quartz pegmatite dike1 containing trace molybdenite in a then-new roadcut 0.5 km southeast...Hall, Lehigh University, Bethlehem, Northampton County, in 1966 (Figure 1). Williams Hall is where the...occurrence at what became the Constitution Drive, Lehigh County, locality shortly thereafter [Smith, 1967].) 1 |
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| izon at top of roadcut on left displays A, Band C soil horizons. 1.0 105.4 Pima County line . Terrace...tilted, Plio-Pleistocene valley-fill alluvium . 0.9 Roadcut on right contains a well-exposed angular unconformity...and underlying Pantano Formatio (Tp) ex posed in roadcut on right of highway ( R. Mortimer photo). Perhaps...porphyry dike cuts this assemblage at north end of roadcut on left; beyond, roadcuts are in the Sycamore stock...ounces of gold. 0.5 120.0 Low hills to west and roadcut ahead on left are in Bisbee Group that is tightly |
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| ....... Mineralogy.......................... K-Feldspar................ Plagioclase............... Quartz...... Past/Potential Pegmatite Commodities..................... Potassium Feldspar........ Quartz........Pegmatites.... Pegmatite Generation Processes............. "Ideal" Pegmatite Zoning.. Current Pegmatite Classifications.............. PROPOSED PEGMATITE FIELDS............................... PEGMATITE OCCURRENCES.............FIGURES Frontispiece The MacKenzie Lake (Gunter) Feldspar Mine (Lot 27, Hastings Road West Sabine Township) |
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| =4.962 x IcT^yr" 1 ; A =0.581 x lo'^yr"" 1 P e 40K/K=:0.01167 atom percent Rubidium 87 \ =1 .42 x 10" 1...Geological Survey, scale 1:250,000. SECTION I PUBLISHED K-AR, RB-SR, AND U-PB AGES OF ROCKS FROM MASSACHUSETTS...COUNTRY.......... STATE CODE....... STATE............ COUNTY........... UNITED STATES 25 MASSACHUSETTS BERKSHIRE...COUNTRY.......... STATE CODE....... STATE............ COUNTY........... UNITED STATES 25 MASSACHUSETTS BERKSHIRE...COUNTRY.......... STATE CODE....... STATE............ COUNTY........... SAMPLE IDENTIFICATION RECORD NUMBER |
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| Foxtrap mine Manuels River occurrence Kelligrews quarries Colliers River copper occurrence Turks Gut copper... 35. 36. 37. 38. 39. 40. 41. 42. 43. 44. 45. Roadcut, Baie Verte Road Picrolite, Baie Verte Road Ribbon-fibre...of gypsum and of manganese minerals. Sandstone quarries are found near Fatima. Maps (T): 11 N/5 Île du...power shovels. Crushing was not required. Similar quarries were opened on the slopes of other volcanic buttes...Island and Trans-Canada Highway near Halls Bay Roadcut: Trans-Canada Highway near Bishop’s Falls Conglomerate |
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| (O)xeloularle K-bentonites of Eastern North America Dennis R. Kolata, Warren D. Huff, and Stig M. Bergstrom...Bergstrom SPECT ie | Pi Ordovician K-bentonites of Eastern North America Dennis R. Kolata Illinois...Cataloging-in-Publication Data Kolata, Dennis R. Ordovician K-bentonites of eastern North America / Dennis R. ...Cover: The Deicke K-bentonite Bed in the Eggleston Formation near Hagan, Lee County, Virginia. Photograph...SA % We Ro ering © SURG OO Pied Icemilicatonior K-DeMtOOMES —si. 6 ic a.ce 5 c ie Rcataaa, Bie AUIS |
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| RESTON 3 Ifllfl QDD5M3DS v/ { XJ ~V) r- o >- )p /K f ^ f.< A Glastonbury Gneiss Body, a Modified Oliver...metavolcanic rocks. An Rb-Sr whole-rock isochron age of 383+ k] m.y., with ~ has been determined^ Sr/ Sr = 0.7093......................^...... Act ».e>u/K 1 3 9A Reg iona 1 GeologV ........................Gneiss and Ammonoosuc Volcanics.............. 13A-B k. Structures and textures in the northern Glastonbury...24A-B Variations in the contents of 1^0 and K-feldspar in the Glastonbury Gneiss body.............. |
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| with the crystalline rock; in the latter case the feldspar was more easily exchanged and has become much...particularly those containing brick-red alkali feldspar. The exchanged feldspars in all these examples...hematite dust. It is concluded that most such feldspar in nature is the result of deuteric exchange and...black, porphyritic glass T-206 Pink dacite, roadcut in the center of Chaos Jumbles Whole rock 7.2... E of East Lake Basalt, SE edge of East Lake, roadcut on S side of road l~hyolite pumice, mantles S side |
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| the Stockholm granite at Frescati, east-central Sweden Åke Johansson Department of Geosciences, Swedish...Swedish Museum of Natural History, Stockholm, Sweden ABSTRACT A sample of fine-grained grey Stockholm granite...area just north of central Stockholm, east-central Sweden, earlier dated to 1803 +23/−19 Ma by the U-Pb zircon...northern part of the Stockholm region in east-central Sweden, in what geologically is the Bergslagen lithotectonic...the Stockholm granite is dominated by quartz, K-feldspar, plagioclase and biotite (Sundius 1948; Stålhös |
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| within 2 or 3 km of the roadcut marked as locality A on Fig. 2. This roadcut on the Palmer-Tungkillo...thickness, alternating with bands of biotite rich but K-feldspar-poor gneiss. Many of the granitic bands (veins)...In particular, critical element ratios such as K/Rb, Ba/K that are likely to be affected by metasomatism...given by White (1966a). The critical ratios K/Rb and Ba/K x 103 are high (average 450 and 45, respectively)...detail, the composition of the leucosomes is more K-rich than that expected of cotectic compositions for |
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| Bowman, 1966b) Light Minerals Quartz Chert Feldspar, potash Feldspar, plagioclase Glauconite, single grains...some glauconite. Only 3 percent contained neither feldspar nor glauconite. Geographic trends in the heavy...Township, N. J., and Swedesboro, N. J., have high feldspar and amphibole content. The heavy fractions of...amphibole content to occur in samples high in feldspar. With respect to the northeast-southwest line...sections at Columbus and Jamesburg, N. J., show a feldspar to kaolinite to gibbsite trend with increasing |
