 | | Journal (article/letter/editorial) | | crystalline, igneous rocks are exposed at surface (granite, pegmatite, crystalline, schists, quartz or limestone...in hydrothermal zinc-lead deposit. Here occur: galena, sphalerite, tetrahedrite, jamsonite, bournonite...lead-zinc deposits: sphalerite xls, tetrahedrite, galena xIs, bournonite, calcite xIs, cIausthalite-rare...Szarley, Tarnowski Gory. Here occur smithsonite, galena xIs, zincite, angeIsite, cerrusite, phosgenite...thalium. STRZEGOM (Strigov), Lower Silesia, Poland. In granite quarries occur large xIs of microcline |  | | 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....chalcopyrite xls, bournonite xls, millerite xls, galena xls, rhodochrosite xls, malachite, native copper |  | | Journal (article/letter/editorial) | | sphalerite is a lead-silver mine in the Silverton district, San Juan County, Colo. The mineral occurs as...masses associated with lustrous fine crystalline galena and a litte chalcopyrite and milky quartz. A triboluminescent...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...masses of fluorite, lustrous cleavable masses of galena, and deep brown crystalline masses of sphalerite |  | | Journal (article/letter/editorial) | | sent R&M—it is an interesting specimen of gray granite showing specks of brassyyellow pyrite. A 4'á inch...color) have been found in the Silver Mountain district, Alpine Co., Calif. COLORADO-"Prof. Richard M...octahedra in quartz from the Mica Lode, Royal Gorge District, (Fremont Co. ), Colorado. The garnet ranges in...number of specimens from that famous Zinc-Lead District, which includes N. W. Arkansas, S. W. Missouri... as they are intermingled. "Next, it seems the galena formed. This lead is the main bulk of the specimen |  | | 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 |  | | | | striated one of arsenopyrite on rounded, grey galena and surrounded ce ne white calcite, from!iheBluebell...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...stibnite, cobaltite, arsenopyrite, molybdenite, galena are included here. Oxides: Minerals with oxygen... black), p. 30 | stibnite (lead grey), p. 62 | galena (silver grey, dull lead), p. 56 | molybdenite (lead |  | | Book | | Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...Alberene and Old Dominion quarries, Albemarle County. In these two soapstone quarries, tabular ilmenite crystals...specimens emerged from diggings on the ridge of alkali granite called Tor Ghar ("Black Mountain"), very near the...of rutile (Weerth, 2004). Tonniq Valley, Skardu district, Gilgit-Baltistan [Northern Areas]. Beginning...testing to be hematite. Zagi [Zegi] Mountain, Warsak district, North West Frontier Province. Surface diggings |  | | Journal (article/letter/editorial) | | Siltstonescloseto the contact with the North-West granite have been bleached,silicified,and dolomitized,...ferroan dolomite accompanied by lesser amounts of galena and chalcopyrite and minor quantities of argentian...Jersey, close to the granite quarries of L'Etacq. A contact between the North-West granite which is of Cadomian...northern side of the bay. In 1871 three sphalerite-galena-carbonate veins were discovered on the foreshore...between o.5 and 2.o m. Good silver values for the galena were reported by Williams (I87I) and independently |  | | Journal (issue) | | JANUARY–FEBRUARY 2019 Articles The Almadén mining district, Ciudad Real, Spain ............................other young collectors, and visited some local quarries in search of specimens, though he initially found... Maharashtra, India 6 cm The Almade;n Mining District, Ciudad Real, Spain Borja Sainz de Baranda Graf...Alcala de Henares (Spain) The Almadén Mining District exploited the largest mercury deposit in the world...in 2012, the district was declared a World Heritage Site by Unesco. The Almadén District has yielded excellent |  | | Journal (article/letter/editorial) | | found in a road cut about 10 miles south of the District of Columbia." The gypsum clusters were dark gray...xls on prehnite, are found in Lane's trap rock quarries near Westfie'd, Hampden Co., Mass. KENTUCKY—Russell...grains of pyrite. MONTANA—Nice specimens of xline galena associated with pyrite, chalcopyrite ROCKS AND...calcite, fluorite, Utah. sphalerite, and galena. VERMONT—Galena has been found TEXAS—We have had some interest-...porcelains. Stone quarries supply all the stone needed (virtually all Danish granite quarries are on the island |  | | 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...stibnite, cobaltite, arsenopyrite, molybdenite, galena are included here. Oxides: Minerals with oxygen...p. 46 arsenopyrite (silver-grey), p. 54 Grey galena (silver grey, dull lead), p. 56 molybdenite (lead...Rocks Colour Grain size Coarse Fine Light granite (p. 248) syenite {p. 254) rhyolite (p. 256) Medium |  | | Book | | bottom, interlam1nat.d~d, carrying occasional granite pebbles, are exposed under 2 or 3 feet ot t111...in diameter in calc-silicate gneisses. ALFORD: Galena and Plrite (95,73(10eality uncertain)Z3l,232,p...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 |  | | Journal (article/letter/editorial) | | marcasite. A major mining district, the Upper Mississippi Valley zinc-lead district, was in these rocks in...at 09:49 03 January 2015 Counties, where coarse galena, sphalerite, marcasite, calcite, barite, and copper...copper minerals were found. Mining in this district ceased in the late 1970s. A branch of the Middle 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 |  | | Book (edition) | | feet—is in Tuscaloosa count v. The coal seams in the lower part of the field are about forty in number, of...river, Tuscalousacounty. Thin.bedded limestonein Lower Silurian and sub.Carbonifer ous group ; also gneisses...gneisses and mica schists of metamorphic region. Fine quarries at Tallahassee falls on Tallapoosa river in sili...in the metamorphic region. Worked for local sup Granite . ply mainly. Near Bradford, and also Rockford...Jackson county. Both occur in cherty strata of Lower sub-Carboniferous. Fossil ore. dyestone Interstratified |  | | Journal (article/letter/editorial) | | Bailey of Boston University and Boodle Lane of Galena, Kansas. Lane sent several large barrels full of...recovered in recent years. The Palm and Koleh Granite Quarry in Amherst, New Hamphire is located about...piles and good specimens can be had by breaking up granite boulders showing pegmatite. The locality was abandoned...was there I saw a peculiar frog-like piece of granite on a ledge. It was so realistic that it started...developed. * * * I have visited most of the granite quarries in New England. In many there is a paucity |  | | Book | | haematite, tourmaline, dolomite) (6) cubic (fluorite, galena, rock salt, magnetite, garnet). Crystals are divided...opaque minerals of metallic lustre, such as pyrite, galena, chalcopyrite. Moreover, these minerals exhibit...freshly fractured surfaces and crystal faces (silver, galena, pyrite, haematite). Submetallic lustre occurs...certain cleavage planes. The crystals of rock salt or galena, struck to 22 a c Fig. 7. Different cleavage...cleavage of minerals: a) cubic cleavage of galena, b) rhombohedral cleavage of calcite, c) cleavage of micas |  | | Book | | haematite, tourmaline, dolomite) (6) cubic (fluorite, galena, rock salt, magnetite, garnet). Crystals are divided...opaque minerals of metallic lustre, such as pyrite, galena, chalcopyrite. Moreover, these minerals exhibit...freshly fractured surfaces and crystal faces (silver, galena, pyrite, haematite). Submetallic lustre occurs...certain cleavage planes. The crystals of rock salt or galena, struck to 22 a C Fig. 7. Different cleavage...cleavage of minerals: a) cubic cleavage of galena, b) rhombohedral cleavage of calcite, c) cleavage of micas | | | Book | | haematite, tourmaline, dolomite) (6) cubic (fluorite, galena, rock salt, magnetite, garnet). Crystals are divided...opaque minerals of metallic lustre, such as pyrite, galena, chalcopyrite. Mor.eover, these minerals exhibit...frt><:hly fractured surfaces and crystal faces (silver, galena, pyrite, haematite). Submetallic lustre occurs...certain cleavage planes. The crystals of rock salt or galena, struck to 22 a C Fig. 7. Different cleavage...cleavage of mineral,: a) cubic cleavage of galena, b) rhombohedral cleavage of calcite, c) cleavage of micas |  | | Book | | SITES IN DERBYSHIRE—John and Joan Lawson PEAK DISTRICT—John Lawson THE CURSE ON THE MAGPIE-Peter Rodgers...list of minerals coming from Cornish mines and quarries: WORKING MINES GEEVOR. Chalcocite crystals, native...chalcopyrite crystals. rare coppers. WORKING QUARRIES SOUTH CROFTY. Excellent tins (cassitercrystals...pyrites, chalcopyrite and pyrite, chalco pyrite. galena, sphalerite. WHEAL JANE. Exceptional pyrite including...<1 crystal line galena (often showing the rarer crystal habits). LIZARD QUARRIES, Excellent zeolite |  | | Journal (issue) | | card that secures the privileges of many mines, quarries, clubs, societies, museums, libraries. (3) The...Mt. in the Percy Quadrangle. The Granite and Its Druses The granite in which topaz, amethyst and smoky...grayish-white biotite granite, is coarse grained and without foliation. Locally the biotite granite grades into...hastingsite granite, and in turn the hastingsite granite grades into riebeckite granite. The southwestern...quadrangle. The reddish to grayish-white biotite granite is definitely the youngest rock present since it |  | | Journal (article/letter/editorial) | | within small carbonate veins cutting the North-West granite at Douet de la Mer (Ixer, 198o). The main vein...from quartz veins from the nearby L'Etacq granite quarries (Mourant, 1978 ). Antimony- (and silver-)...commonly occurs as inclusions ( < 5 pro) in galena from Lake District localities (Stanley, 1979; Stanley and |  | | Journal (article/letter/editorial) | | green under the Mineralight), and argentiferous galena. ARKANSAS—The following item, dated Feb. 17, 1955...quartz J have yet seen." CALIFORNIA—The limestone quarries in Crestmore Riverside Co., Calif., considered...area, we have closed the Commercial and Lonestar quarries to collectors. W e feel that with blasting and...to California and if you would like to see our quarries, of course I would be glad to show you around...We have nothing suitable for cutting, and our quarries, at least for the time being, are officially closed |  | | Book | | GEMSTONES OF CORNWALL Quartz Gemstones 12 13 GRANITE AND OTHER ROCKS Felspar. Mica. Schorl. Chlorite...Beaches Cliffs and Caves. River Beds etc. Mine Dumps Quarries St. Just - Botallack - Pendeen Camborne - Redruth... Metallic Opaque with a brilliant lustre (e.g. galena). To these we add the qualifying descriptions of...different minerals. For instance both fluorite and galena crystals occur as both cubes and octahedrons (double...'porphyritic' granite. Orttada-se (jvwnaclinicj Schorl Black 'needles' embedded in white quartz or granite. Bjrdc |  | | Book (volume) | | in association with Gold, such as Chalcopyrite, Galena, Pyrite, Pyrrhotite and some Sphalerite. BALDWIN...quarry Barite, Calcite, Fluorite (purple cubes), Galena. CHATTAHOOCHEE COUNTY AREA: stream gravelsgemmy...shark teeth. CHATTOOGA COUNTY GORE, N 6 mi., along lower slopes of Taylor RidgeHalloysite. SUMMERVILLE:...Stone Mt.), areaQuartz crystals. LITHONIA: area quarriesCalcite, Epidote, Fluorite, Garnet, Thulite, Tourmaline...MOUNTAIN: two area granite quarriesBeryl, Feldspar, Hyalite opal; area granite outcrops, in jointsUranophane | | | | | haematite, tourmaline, dolomite) (6) cubic (fluorite, galena, rock salt, magnetite, garnet). Crystals are divided...opaque minerals of metallic lustre, such as pyrite, galena, chalcopyrite. Moreover, these minerals exhibit...freshly fractured surfaces and crystal faces (silver, galena, pyrite, haematite). Submetallic lustre occurs...certain cleavage planes. The crystals of rock salt or galena, struck to 22 a : c Fig. 7. Different cleavage...cleavage of minerals: a) cubic cleavage of galena, b) rhombo- hedral cleavage of calcite, c) cleavage of |
|
