 | | Journal (article/letter/editorial) | | ITALY Gonnardite Dr. H . Meixner of Bergdirektion, Austria, published an account o f "Some New Occurrences...Weilberg, Rhineland, West Germany; and K l o c h , Styria, Poland. The Sicilian gonnardite closely resembles...(Long. 83° 2'E; Lat. 18° 17'NJ of Visakhapatnam district, Andhra Pradesh, India. The rock types around...chamock ites. Hyalophane, sahlite, and fluor-apatite are the co existing skarn minerals with mica....lite may serve as a guide mineral in prospecting apatite deposits in the Eastern Ghats of India. Received |  | | Journal (article/letter/editorial) | | got a permanent job with a gravel company who was just opening up a new pit. Now isn't that a tough job...tourmaline. This comes from the gravel pit. "The owner of the gravel pit doesn't mind an occasional rock...want a mob like at Muscatine, Iowa. I live at the pit in a trailer house and collectors who wish to do...County close to the Hamilton County line; the gravel pit is close by, just over the line in Hamilton County...20 miles northeast of Canton, S. D., is a huge gravel pit in which I hunted specimens. I found a petrified |  | | Journal (article/letter/editorial) | | habitats demonstrate that the 143Nd/144Nd of the apatite can be used as a fingerprint for bedrock geology...during diagenesis and recrystallization of bone apatite, in vivo 143Nd/144Nd may be preserved in the inner...fractionation processes during REE-uptake into the apatite crystal lattice, hence the eNd value is an important...teeth. The Nd isotopic composition of skeletal apatite of modern bones and teeth may thus be a fingerprint...concentrations in the lower ppb range, biogenic apatite is enriched post mortem during diagenesis and recrystallization |  | | Journal (article/letter/editorial) | | 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...(Litchfield Co.), Conn., have large garnet gravel pits, which gravel is used for top dressing on all the dirt...bear an apatite mineral that contains unusual amounts of the rare earth elements. "The apatite is honey-colored...enclosed in feldspar, less often in quartz. The apatite occupies fractures in the enclosing minerals, and |  | | Journal (article/letter/editorial) | | Can anyone supply information on the occurrence? District oí Columbia—On a recent visit to Washington, the...R & M recently about 6 lbs. of pebbles from the gravel beds of Bellevue, Jackson Co., Iowa. Among the...carefully the pebbles picked up on a trip to a gravel pit, if you have the time, but bring home also a...found pebbles of green plasma (quartz) in a large gravel pit located 2 miles southwest of Moose Lake. He also...olive-brown vesuvianite crystals are found in the Scratch Gravel Hills near Helena, Lewis & Clark Co., Mont. ROCKS |  | | Book (volume) | | left side of US 27N, on the Roland Hancock farm, a pitgemmy chert. CHEROKEE COUNTY BALL GROUND: area:...Elberton and Hartwell in Hart Co. The known mica district includes some 250 sq. mi., with most mining revolving...Beryl crystals, mica; SE 5 mi., in area soilsApatite, Garnet, Mica, Quartz; E 7 mi. and 0.8 mi. N...mi., the Holly Springs Quarry, in area forest Apatite, Magnetite, green talc, Verde antique; E 2 mi...via Hwy. 76 or side rds. E of Rte. 69): (a) beach gravelCorundum, Garnet, Kyanite, Quartz crystals, Rutile; |  | | Journal (article/letter/editorial) | | 1 to iy2 x 2 inches in size) have been found in gravel at Emmetsburg and Graettinger, both in Palo Alto...with large masses of blue-green apatite, a few rough crystals of apatite, masses of graphite, brown tourmaline...Among the localities are Blue Earth Co. (State gravel pit on State Highway 83, between Judson and Cambria)...; Watonwan Co. (near St. James) ; Winona Co. (gravel pit north of Winona). MISSISSIPPI: Ironstone concretions...Ohio, informs R & M that agates are found in large gravel pits at Newtown (suburb of Cincinnati), Ohio. F |  | Zahradník, Jan, Jirásek, Jakub, Starý, Jaromír, Sivek, Martin (2020) Production, Reserves, and Processing of Feldspar and Feldspathoid Rocks in the Czech Republic from 2005 to 2019—An Overview. Minerals, 10 (8) 722 doi:10.3390/min10080722 | Journal (article/letter/editorial) | | of which four are exploited (mainly as sand and gravel for construction). Other types of feldspar deposits...used. In the first place, it is mining by an open pit (quarry) with the use of blasting and subsequent...sediment) deposits, it is the extraction of dry or wet gravel and the separation of the specific fraction to...pegmatites, and aplites) and sedimentary (sand and gravel) deposits that are mined only in open pits (quarries)...Oldřich dike in the Dolní Bory-Hatě pegmatite district, which was 630 m long and up to 30 m thick, dipped |  | | Report (issue) | | summer and winter accommodation throughout the district. There are many lakes, and fishing is good. Many...45. 46. 47. 48. 49. 50. 5 1. 52. 53. 54. 55. Gravel pit exposing the interior of the Omemee esker. Burleigh...Crater mine, Faraday township. Large terminated apatite crystal from the carbonate body, Silver Crater...Moira Lake. Norwood esker ridge, near Norwood. Open pit of Marmoraton iron mine. (viii) FIGURES Page 1...molybdenite prospects. At Tory Hill there is good apatite, titanite, hornblende and feldspar in excellent |  | Hejl, E., Coyle, D., Lal, Nand, den Haute, P. Van, Wagner, G. A. (1997) Fission-track dating of the western border of the Bohemian massif: thermochronology and tectonic implications. Geologische Rundschau, 86 (1) 210 doi:10.1007/s005310050133 | Journal (article/letter/editorial) | | Accepted: 24 October 1996 Abstract Since 1985, apatite fission-track analysis was applied to more than...at the western margin of the Bohemian massif. Apatite ages were determined by the grain-population method...Weiden, a Mesozoic partial annealing zone (for apatite fission tracks) is now exposed at the surface....Salzburg, Hellbrunnerstr. 34/III, A-5020 Salzburg, Austria E-mail: ewald.hejl@mh.sbg.ac.at D. Coyle · G. A...Belgium Introduction Although basic concepts of apatite fission-track analysis, such as its potential for |  | | Book (edition) | | which beauti- a lake's are still being found in gravel deposited by the glacier that once covered the... Diamond 3. Colcite 8. 4. Fluorite 9. 5. Apatite B). interesting to note that diamond, It is...a scratch just gypsum or about will scratch apatite, as and a a hard as file material. testing...malachite (copper carbonate), phosphates such as apatite, and silicates, which large and complex family...and conglomerates. In from the left sand and gravel, formed into them shales, limestones, sand- |  | | Book (volume) | | jasper, rare alluvial Diamond. THEBES: c area gravel deposits, pits, bars of the Mississippi R.⎯agate...0.8 mi. on Rte. 1 from Rte. 146 jct., then W on gravel rd. 2 mi. to the Mahoning Mine No. 3, on dumps⎯Fluorite...Regional limestone quarries produce some gemmy Apatite, Calcite, Glauconite, Marcasite, Pyrite and Quartz...LOGANSPORT, E 2½ mi., the France Stone Co. quarry⎯Apatite (associated with collophane), Calcite (crystals...placers⎯Gold; f along Highland Cr., numerous glacial gravel bars⎯Quartz pebbles, Corundum, rare Diamond, Topaz |  | | Book (volume) | | jasper, rare alluvial Diamond. THEBES: c area gravel deposits, pits, bars of the Mississippi R.⎯agate...0.8 mi. on Rte. 1 from Rte. 146 jct., then W on gravel rd. 2 mi. to the Mahoning Mine No. 3, on dumps⎯Fluorite...Regional limestone quarries produce some gemmy Apatite, Calcite, Glauconite, Marcasite, Pyrite and Quartz...LOGANSPORT, E 2½ mi., the France Stone Co. quarry⎯Apatite (associated with collophane), Calcite (crystals...placers⎯Gold; f along Highland Cr., numerous glacial gravel bars⎯Quartz pebbles, Corundum, rare Diamond, Topaz |  | | Book (edition) | | yet the insect who makes his home in a pile of gravel on the roadside lives in a palace. clear For the...Calcite 8. Topaz 4. Fluorite 9. Corundum 5. Apatite 1. 10. Diamond HOWTO IDENTIFY Sets of pencils...hard as calcite. A pocketknife blade will scratch apatite easily and feldspar with difficulty but not jade...at right angles to the other three. Quartz and apatite, with their six-faced pyramid terminations, and...FORMS AND HABITS rfgk -tI I I 3 ^$7 "c APATITE AZURITE BERYL CHIASTOLITE L_V FELDSPAR EMERALD |  | | Journal (article/letter/editorial) | | "This rock comes from my dad's gravel News on Mineral Occurrences.' pit on the outskirts of Bogalusa (Wash"The...number of specimens were received. from his father's pit, as we need items One was a loose colorless xl (no...through the Copper Country in Michigan and the district just east of Sault Ste Marie in Ontario, and can...noted Little Pipestone District, of Jefferson Co., Mont. MINNESOTA—From a gravel pit at Hopkins, (Hennepin...at East Ryegate (Caledonia Co.), V t , in stream gravel. We call them Indian beads but believe they are |  | | Journal (article/letter/editorial) | | ph—phosphoresces ayampa, just past the service station, a gravel road takes off, to the right. Here you leave the...found parallel to the mountain, for 3 miles. The gravel road is a county road, usually fair except after...1st to Oct. 15th, I advise staying out of this district unless you have a desert man along. Be glad to...likewise tremendous deposits of novaculite pebbles (gravel). Of course, both north and south coastal plains...obtained from Land Lots 612 580 and 649, 19th District of Paulding County."—Spring 1954 issue, page 48 |  | | Journal (article/letter/editorial) | | Morgan, 217 So. Atlantic Ave., Haddonfield, N . J. DISTRICT OF COLUMBIA — The following item, dated May 15...dark gray basalt and coming from the Lost River district in Blackfoot, Bingham Co., Idaho, have been donated...here. "Guy Osborn, operator of the Osborn Sand and Gravel Company of Rochester, reported that his sand dredge...it was collected in a gravel pit in Sec. 36 of Grant Parish, La. The gravel pit is approximately 140 feet...the 20th of August, 1953, at the famed old Mount Apatite locality, Auburn, (Androscoggin Co.) Maine, I had |  | | Report (issue) | | slight adjustnients, in the new map. Parts of the district were described i11 the memoir on ' The Geology...Sands, and at tbe top, mottled Reading Beds B.-SA�D PIT (WHEELER'S PrT), .N..E. OF s·uDBUR'Y� Thanet Sands...succeeded by Red Crag sands and disturbed glacial sand, gravel and ... ... ... . .. Boulder Clay . .. ... II....-Section in Chalk Pit, Monk's E1eigh (W. Whitaker) ••• ••• ••• 5.-Railway Challr Pit, Sudbury, 1915 (G...in Ballingdon Ch�lk pit (W. Wh±t�ker) •• • • ••• 7 .-(Upper) Section at Sand pit south of Al exandra |  | | Book | | ‘Hereford and Leominster The predominantly rural district described in this memoir lies within the wide...English Midlands to South Wales. The rocks of the district were deposited during a period of about 25 million...incorthe porates a bibliography on the geology of the district. UNIVERSITY OF Ole oe TIN FROM ISHAM THE L...Other publications of the Survey dealing with this district and adjoining districts Crown copyright 1989...45 Building stone 45 Rock aggregate 46 Sand and gravel 46 Older Fluvioglacial Terrace Deposits 46 River |  | | Report (issue) | | a test core drilled, a mine shaft sunk or a gravel pit dug—additional mineral discoveries may be made...gratitude. I also wish to thank the many quarry, gravel pit and mine operators in Iowa, and many private................................... Minerals from gravel deposits and drift boulders Epidote..............3) 4) 5) 6) Upper Mississippi Valley zinc—lead district Mineral crystals, isometric ....................fragments of black sphalerite Polished stones from gravel pits. Epidosite rock with feldspar. Zeolite minerals |  | | Book | | is a square hammerhead on the other. raking gravel, poking about having a collection of minerals... to soil A often is or gravel, and a sieve when examining gravel much small shovel, the army...presence of beryl, tourmaline, rutile. titanite, apatite, and other minerals. .^i-J^ 2 PLACES TO SEARCH...stones used in building are quarried: sand and gravel are dug from pits. There are both subterranean...facilitate the operation. Both underground and open pit methods have been used in the copper mines at largest |  | | Report (volume) | | ---------------------.-------------Unclassified sand and gravel deposits.---.________________ Varved lake clays---...____-______-_-_--________-_-----___-_ Sand and gravel-______________________________________________...plain, outwash plains, and unclassified sand and gravel deposits. Recent deposits are thin and include...commercial value in the quadrangle are sand and gravel derived from the glacial deposits. Some of the...accessory minerals are magnetite, sphene, and apatite. The secondary minerals are chiefly sericite, chlorite |  | | Journal (article/letter/editorial) | | at Danvers, McLean Co., 111., in a real deep gravel pit. It is good enough that I have it placed in my...under the short wave). "I picked these up near a gravel deposit in Grant County, Indiana, near the city...chalcedony. It was found with many other pieces in gravel in what is known as Clear Creek in western Vernon...1956, R&M, p. 353). The gold is there in the river gravel and in seams in the rock—mostly fine stuff but...Ed Olson, Beresford, S. D. It was found in a gravel pit at Hopkins, Hennepin Co., Minn. MISSISSIPPI—From |  | | Report (issue) | | • • . • . • . . . ... •. . .• . . . . . . Open pit, Hilton Mine . . . . . . . . . . . . . . . . . ....Tremolite partly replaced by magnetite, Hilton Mine. . Apatite crystal in calcite, Yates uranium mine. . . . ...collected from them. The earliest mines were the apatite and iron mines that were operated in the 1880s...Magnesium Limited at Haley Station. In the Nipissing District there are numerous former feldspar mines as well...the Ottawa River was formerly mined for mica, apatite, uranium, lead-zinc, feldspar, molybdenite, and |  | | Report (issue) | | VIII. IX. X. XI. Pyroxene crystal in calcite and apatite, Val-des-Monts area Back (Wallingford) mine Phlogopite... Formerly, this was an important mica/apatite mining district. (GSC 138748) Abstract Occurrences of...nearly a century ago has left numerous former apatite, mica, feldspar and graphite mines. Their dumps...tunnels and other workings is dangerous. The mica-apatite pits in some of the properties are very deep and...The rocks of this era contain deposits of mica, apatite, feldspar, graphite, iron, marble, granite, quartzite |
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