 | | Journal (article/letter/editorial) | | crystalline, igneous rocks are exposed at surface (granite, pegmatite, crystalline, schists, quartz or limestone...thalium. STRZEGOM (Strigov), Lower Silesia, Poland. In granite quarries occur large xIs of microcline...twins of gypsum crystals. BLEIBERG, Carnthia, Austria. Leadzinc deposit, here occur: galena, large xIs...greenockite, stolzite and srnithsonite. Near Salzburg Austria, well known mineral locality: wagnerite, lazurite...heterosite. BAVENO, PIEDMONT, Northern Italy. In granite quarries occur quartz xIs, orthoclase xIs, fluorite |  | | Journal (article/letter/editorial) | | live in Germany, the other 10% live in Holland, Austria, Switzerland and many other countries of Europe...village east of Hannover city. There are some quarries which operate for limestone. This Triassic limestone...Jurassic formation. Holzmaden has many little quarries which operate in the zone of Lias. Many fossils...limestone for industrial purposes is yielded. The quarries operate in the upper Jura, called white jura....many fossils. (11) Harz mountains. Famous mining district. Now divided. Mining carried on since early middle |  | | Journal (article/letter/editorial) | | sphalerite is a lead-silver mine in the Silverton district, San Juan County, Colo. The mineral occurs as...Eugene VanderWender, Harrington, Kent County, Del. District of Columbia—French Morgan, of Washington, D. C...another very unusual find of petrified wood, in the District this time, and within a half mile of where I live...occur in a white crystalline limestone ledge, at Lower Twin Lake, Bear Mountain Park, Orange County, N...accustomed in seeing limestone deposits worked as quarries, often huge workings, may be interested to learn |  | | Journal (article/letter/editorial) | | exsolution phase, - (Sc Fe 3+) (Nb,Ta)04 in niobian rutile from Håverstad, Iveland, Norway, by Cerny et al... ,Kola, Italy Germany Heftet , Norway Styria, Austria I eESCRIBED ~Allende-meteorite I 2009 History...the Heftetjern-pegmatite in Tørdal The numerous granite pegmatites of the Tørdal area are situated within...basement (15201500 Ma) are intruded by the Tørdal granite (960-850 Ma) which is regarded as the source of...Telemark is geochemically different from other granite pegmatites in south Norway, being characterized |  | | Book | | Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...blue-black and lustrous, though some which are coated by rutile or hematite are yellow or red and earthy; they...replacements of ilmenite by different combinations of rutile, anatase, brookite, hematite and titanite (Philippe...Alberene and Old Dominion quarries, Albemarle County. In these two soapstone quarries, tabular ilmenite crystals...hematite iron roses are quartz, ortboclase, albite, rutile, and zeolites (especially stilbite), whereas in |  | | | | as a volcano. An example of intrusive rock is granite while an extrusive example could be basalt. Sedimentary...along road cuts, river banks, cliffs, ridges, quarries, and excavations. Localities can be found in books...groups are included. Corundum, spinel, cuprite, rutile, cassiterite, calcite, aragonite, dolomite, siderite...black, black), p. 66 chromite (black), p. 80 rutile (brown, dark red brown), p. 118 chromite, p. 80...72 ilmenite (red to brownish black), p. 78 12 rutile (reddish brown), p. 118 Beginner's Guide to Minerals |  | | Report (volume) | | ______ PABT I. Scientific discussion_______ _ Granite proper______________________ General features____...examples_________________ Fluidal cavities in granite gneiss.________ Fluidal cavities in small dikes...Colors______________________________ 80 Olive-green granite ___________________ 81 Minerals on joint fac... Physical properties _ Textbook references on granite and " black granites " PAI*T II. Economic discussion_...discussion_ General features________~ __ Tests of granite _ Chemical analysis Determination of CaCOs Test |  | | Report (volume) | | granites .............................. Biotite granite .......................................................... ................. Hornblende-augite granite ........................................ 12 Geologic............. Important geologic features at the quarries............................. Double-sheet structure...................................... Orbicular granite........................................................ .................................. The granite railroads .................................... |  | | Report (volume) | | ..................................... 7 9 9 Granite proper................................................................ Text-book references on granite and black granites.................. Special features...texture and colors............................... Granite discoloration, its causes........................................ Dikelike masses of schist in granite.............:.................... Riebeckite and...minerals on joint faces......................... Granite contacts in relation to sheet and flow structure |  | | Journal (article/letter/editorial) | | of visiting granite-quarries, or who has had frequent opportunities of examining granite, either in a...almost insensible gradations into the enclosing granite. They are usually finer in grain than the granites...similar in all respects to those of the enclosing granite, excepting that in the majority of cases theirangles...follows : - " T h e magnitude of the parts in granite is extremely various, each constituent mineral...so. Such concretions occur not unfrequenfly in granite and syenite and in other rocks made up of crystalline |  | | Report (volume) | | .................................. CHAPTER I. GRANITE IN GENERAL .......................................................... 1.......... Varieties of granite.............................................................................. Varieties of the granite ........................................... Mineral................................................ Granite............................................................................ 51 Descriptions of quarries................................... 51 Baltimore |  | | Report (issue) | | DEPARTMENT OF MINES BUILDING STONES OF ONTARIO PARTY GRANITE AND GNEISS By D. F. HEWITT INDUSTRIAL MINERAL...IV V Introduction Limestone Marble Sandstone Granite &1 Gneiss Industrial Mineral Report No. 19, paper-bound...acceptable. BUILDING STONES OF ONTARIO PART V - GRANITE AND GNEISS TABLE OF CONTENTS Southern Ontario.... . . . . . . . . . . . . . . . . . Betz Green Granite.. . . . . . . . . . . . . . . . . . . . . . . ...Concession I, Leeds Township......... Lloyd Road Quarries................, . . . . . . . . Lot 8, Concession |  | | Journal (article/letter/editorial) | | Siltstonescloseto the contact with the North-West granite have been bleached,silicified,and dolomitized,...Jersey, close to the granite quarries of L'Etacq. A contact between the North-West granite which is of Cadomian...they are brecciated and hornfelsed close to the granite contact (Henson, I956), and are extensively but...A fault trending 275 ~ extends from within the granite into the siltstones for approximately 5o m (Lode...(Lode No. 3). The fault is barren in the granite, but contains a vein lO-7O cm thick of ferroan dolomite |  | | Book | | as a volcano. An exan1ple of intrusive rock is granite while an extrusive example could be basa lt. Sedin1entary...along road cuts, river banks, cliffs, ridges, quarries, and excavations. Localities can be found i11...groups are included. Corundun1, spinel, cupri te, rutile, cassiterite, calcite, aragonite, dolo1nite, siderite... p. 66 ilmenite (brownish black, black), p. 66 rutile(brown, dark red brown), p. 118 chromite, p. 80... p. 68 ilmenite (red to brownish black), p. 78 rutile (reddish brown), p. 118 Beginner's Guide to Minerals |  | | Book | | bottom, interlam1nat.d~d, carrying occasional granite pebbles, are exposed under 2 or 3 feet ot t111...Hudson and Chester Granite rr (98(42 14'25",73 01'22")65,117)--Blu.-gray otite granite. Hi erals reported...titan te i8 r.lative~1 large SJl.sunts. Grgit. Quarries (76(42 15'58",73000'43tt)~ 2 16'11",73 01'U tt...uaknown)16l,p.84)--Old Gross Quarry. Dolomite Harb e quarries (with variable amounts of calCite, phlogopite...06'02")65) ••••ell Granite QUtrrl (265(42 14'02",73 04'16")115,p.281,65)--B1otite-muscovite granite wi h pyrite |  | | Book (edition) | | scale to soapstone at the other. There is a still lower limit in liquids and gases; but of the hardness...grains when it cannot make distinct crystals. Granite mountains are mountains of crystals, each particle...the planes of the trisoctahedron in Fig. 21. The lower one of the three on the upper front solid angle...by a constant ratio, and the expression for the lower right one of the six planes will be 3c f & la. By...being here directly over those suppressed in the lower pyramid. APATITE. If the student will shade over |  | | Report (volume) | | of the rocks________________.__ __ Granites and granite gneisses of Connecticut, by Herbert E. GregoryName..._________________________ 43 Geologic observations at the quarries, by T. Nelson Dale_______ 45 Microstructure____________________...Plicated gneiss structure_________________________ 47 Granite dikes________________________________ 48 Pegmatite...discussion Continued. Geologic observations at the quarries Continued, Page. Segregations__l_.____ '.____...Nelson Dale_______________ Description of the quarries and their product__________ ____ Method______ |  | | Report (issue) | | topazes, weighing a total of 3.03 carats on the lower wings. The small stones in the wings, totaling 19...from Untersulzbachtal, Hohe Tauern, Salzburg, Austria The projection is down (100). Notice the ABCB...Gerais, Brazil; Kiyoshi Kiikuni collection and photo Lower left: Topaz and lepidolite, 3.2 cm tall; Virgem...Kleine Spitzkoppe, Namibia; Mokrusha Mursinka District, Ural Mountains, Russia; Paprok, Laghman Province...microcline, zinnwaldite, muscovite, columbite, rutile, cassiterite, euclase, hematite, hydroxyl-herderite |  | | Journal (issue) | | ···································· 471 BLEIBERG, AUSTRIA .................................................SPECIMEN FROM PENN. ........ 479 BRENNER PASS OF AUSTRIA ··············································...them. They are correctly known as the Harris Lime Quarries, Lime Rock (hamlet) , Lincoln (township) ; and...limestone" in commerce. Harris Quanies The Harris Quarries ( old books often used the terms beds or pits)...was formerly highly prized. The Calument Hill Granite Quarry produced hornblende crystals in quartz or |  | | Journal (issue) | | formation (upper Archean - lower Proterozoic), Alaskites formation (lower Proterozoic) Metasomatites...which have led to the formation of microcline granite varieties. In the rocks of the alaskite formation...dynamic stress, highlighting the variety of stress granite, stress enderbite, etc. (Geru, 1987). Injection...**mihai_mafteiu@yahoo.com 2 University of Leoben, Leoben, Austria; ***guenter.tiess@unileoben.ac.at Abstract: During...exploited at the surface, in over 3478 identified quarries and open pits. Exploitation period began timidly |  | | Journal (article/letter/editorial) | | marcasite. A major mining district, the Upper Mississippi Valley zinc-lead district, was in these rocks in...and copper minerals were found. Mining in this district ceased in the late 1970s. A branch of the Middle...other minerals as hematite roses, brookite, and rutile. The Wisconsin Magmatic Terrane, an Early Proterozoic...orthopyroxene (Laybourn 1979). Loon Lake quarries.Active quarries near Mellen (NE,SW, and SE sec. 29 T.45N. R.2W... Western Lime and Cement Co. quarrries. These quarries expose dolostones near Knowles: calcite (pseudocubic |  | | Journal (article/letter/editorial) | | ROCKS & MINERALS lthough New Hampshire, the Granite State, is one of our smaller states, with an area...mineral localities for the collector. Prospecting, granite quarrying, and mining probably peaked before the...Conway, miarolitic cavities in decayed Conway Granite. Pit opened in 1955, 1970s brought productive collecting...Bartlett and Hales Location; miarolitic cavities in granite; collecting began about 1940, prime years were...of Conway near Downes Brook Crossing, decayed granite with cavities: microcline (crystals), quartz (crystals |  | | Report (issue) | | the marble occurs was classified as Montevallo (Lower Cambrian) by the Alabama Geological Survey. The...NELSON DALE. INTRODUCTION. The granites and granite quarries of Milford, Quincy, Rockport, and Becket,...Survey.1 In June, 1910, the remaining active granite quarries of the State were visited and the results...for this State. The total number of quarries described is 88. Quarries producing only paving, underpinning... RHODE ISLAKD MAP OF MASSACHUSETTS, SHOWING GRANITE-QUARRYING CENTERS. NOTES ON COMMEKCIAL, GRANITES |  | | Report (issue) | | proximity to the building site, should be obtainable at lower prices than similar materials from long distances...concentrating mills in the Plattville, Wis., zinc district, from the copper smelter at Great Falls, Mont...containing developed and undeveloped deposits of granite, slate, Portland cement materials, and gypsum,...within 100 miles of Minneapolis which produce granite, sandstone, and magnesian limestone, all of which... STONE. DIMENSION STONE. GRANITE. Minnesota is well supplied with, granite suitable for building purposes |  | | Book (volume) | | (lined with crystals); (b) Hamilton Quarry, the lower Warsaw section at the top of the quarry (see map)...City Geode Location WARSAW, area rd. cuts, pits quarries, gravels, banks along regional creeks and streams...area⎯tripoli. VERMILION COUNTY DANVILLE, area quarries in dark shale⎯Marcasite replacement of marine...marine fossils. WILL COUNTY LEMONT, area quarries⎯glistening Quartz replacement fossils. WILMINGTON, regional...Pyrite, Selenite and Sphalerite. Regional limestone quarries produce some gemmy Apatite, Calcite, Glauconite |
|
