 | | 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...material was found in abundance at the County Gravel Pit at Mauldin Mountain. Mauldin Moun tain is a...Chert Formation which is of Ordovician age. The gravel pit (actually a quarry) is 3 miles north of Mount |  | | 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) | | oligoclase, anorthite), quartz, mica (biotite, muscovite) obsidian and gold??? Who would suppose that Colorado...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...crystals in rock), microline (reddish in pegmatite), muscovite (white flakes in granite), opal (small, white...carefully the pebbles picked up on a trip to a gravel pit, if you have the time, but bring home also a |  | Thompson, Woodrow B., Bearss, Gene T., Falster, Alexander U., Simmons, William B., Nizamoff, Jams W. (2000) The Estes Quarry, Cumberland County, Maine: A New Pegmatite Mineral Locality. Rocks & Minerals, 75 (6) 408-418 doi:10.1080/00357520009605667 | Journal (article/letter/editorial) | | Prior to the opening of the Estes quarry, a gravel pit was being worked at the base of the hill. In...Smith College led a group of geologists to this pit during a Friends of the Pleistocene field conference...the large pegmatite boulders scattered around the pit. The mineral was identified as purpurite, and this...a new development on the hillside behind the gravel pit. The thin cover of glacial till had been scraped...early September revealed a quarry pit had just been opened. This pit was square and had vertical walls |  | 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 |  | | Journal (article/letter/editorial) | | Paniselian. The Boulders of the Travellers' Rest Gravel Pit, Cambridge. By J. E. A. WHEALLER, Christ's College...that time in the gravels of the Travellers' Rest Pit, situated about a mile north-west of the town of...time Professor Marr has paid much attention to this pit, among others, with special reference to the Palaeolithic...collected a number of interesting erratics, and the same pit has also been investigated by many geologists connected...though the North Pit has been abandoned, the South Pit has been very actively worked for gravel, and has been |  | | Book (volume) | | left side of US 27N, on the Roland Hancock farm, a pitgemmy chert. CHEROKEE COUNTY BALL GROUND: area:...Covington hwy. on the Philips rd., a pegmatitegreen Muscovite, Feldspar, Quartz. STONE MOUNTAIN: two area...placeAmethyst. ELBERTON: area Sillimanite minesMuscovite, Sillimanite. Mica-bearing pegmatites occur in...Elberton and Hartwell in Hart Co. The known mica district includes some 250 sq. mi., with most mining revolving...rd. between Lavonia and Bowersvilledark green Muscovite, Galena, Quartz. FULTON COUNTY BIRMINGHAM, area |  | | Book (edition) | | PETROGRAPHICAL CLASSIFICATION 1 Crushed stone quarries 1 Gravel pits 2 Slag works 3 GEOLOGICAL DISTRIBUTION... Within each county the crushed rock quarries, gravel pits and slagworks are listed separately, the information...Name and situation of quarry, pit or works Type or types of rock, gravel or slag British Standard group...in the sections of the text dealing with gravel pits. GRAVEL PITS In the case of gravels, which may contain...examination. In the sections of the list dealing with gravel pits, the following abbreviations are used for |  | | Book (edition) | | PART I. CRUSHED STONE QUARRIES .• PART II. GRAVEL PITS PART III. SLAG WORKS - PART IV. PART. V...OWNERS 82 •• ALPHABETICAL I NDEX OF QUARRIES, GRAVEL P I TS AND SLAG WORKS PART V I . 7 ... INDEX...decided by microscopic examination. In the list of gravel pits, the rock names are abbreviated and are stated...2. GEOLOGICAL DISTRIBUTION OF ROADSTONES 3 district. Porphyritic felsite is worked at Bala, Merioneth...probably of Lower Palaeozoic age. In the Leicester district, however, older rocks, probably pre~Cambrian in |  | | Report (chapter) | | worked by Derbyshire lead miners who knew it as 'gravel ore', and it has been responsible for the 'bonanzas'...west of Matlock, (SK261 586) and the Portway 'Gravel' Pit near Castleton (SK127 812) (Figs 1 & 2). At Bonsall...are being worked for fluorspar and the Portway Gravel Pit is being worked intermittently for nodular baryte...Ineson 1980). Two rake veins have been worked in the pit, each up to 3 m wide. Both consist mainly of fuorite...exotic erratics (some of which are from the Lake District) (Fig. 1). The deep weathering of the limestone |  | | Report (volume) | | __________________________ 20 21 21 22 22 23 Gravel------------------------------------------------------References...very fine grained border zone rich in quartz, muscovite, and plagioclase; a fine- to medium-grained wall...wall zone rich in quartz, plagioclase, and muscovite; an intermediate zone rich in perthite, quartz, and...amount of muscovite; locally, biotite may constitute as much as 90 percent of the rock. Muscovite-rich schist...granite-pegmatite masses have been altered to muscovite by retrograde metamorphism. GRANITIC ROCKS Two |  | | 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...placers⎯Gold; f along Highland Cr., numerous glacial gravel bars⎯Quartz pebbles, Corundum, rare Diamond, Topaz...limestone quarry, rd. or RR cut, stream bank, gravel bar, or pit⎯ Coldwater agate (nodular, fortification...LaPORTE CITY, in gravel pit⎯agate. WATERLOO, at Burton Ave. quarry and Mitchell Ave. gravel pit near Cedar |  | | 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...placers⎯Gold; f along Highland Cr., numerous glacial gravel bars⎯Quartz pebbles, Corundum, rare Diamond, Topaz...limestone quarry, rd. or RR cut, stream bank, gravel bar, or pit⎯ Coldwater agate (nodular, fortification...LaPORTE CITY, in gravel pit⎯agate. WATERLOO, at Burton Ave. quarry and Mitchell Ave. gravel pit near Cedar |  | | Journal (article/letter/editorial) | | (road cut, village bypass), epidote, garnet, muscovite. Gilford area: anorthite, augite, corundum, clinozoisite...(Bob Janules, pers. com., 2000). Albany, Government pit, 3 miles NW of junction of U.S. Highway 15 and State... miarolitic cavities in decayed Conway Granite. Pit opened in 1955, 1970s brought productive collecting...(microcrystals), molybdenite, monazite-(Ce), muscovite (crystals), opal (variety hyalite), phenakite...243 Figure 3. Quartz, 6.6 cm tall, Government Gravel pit, North Conway, Carroll County. Jeff Scovil specimen |  | | Journal (article/letter/editorial) | | calcite crystals had been made in the Tri-State District. Supposed to be in a mine which had been worked...crystals. It is a very nice specimen. The Tri-State District is an area embracing S/E Kansas, N / E Oklahoma...some of his specimens. They are beauties! From a gravel pit near Franklin, WashROCKS AND MINERALS ington...masses of white albite, large plates of silvery muscovite, and small masses of pale smoky quartz. Under...natrolite, laumontite, chlorite, 117 prehnite, muscovite, biotite, actinolite, hornblende, chrysocolla |  | | Journal (issue) | | Blackhills Quarry, Swindon, 5 miles NW. Star Gravel Pit, Great Barr Queslett Keeper's Pool, Sutton Park...mile E. of Polesworth, E. of Tamworth Hopwas Sand Pit, W. of Tamworth S. of Grid, ref.i 131 1962) 131...leucocratic granites contain muscovite as well-formed flakes in others fine-grained muscovite (sericite?) occurs...strongly foliated. An example Common, of the muscovite-bearing granite is : — 8. 657. BP. 51/32,...lenticlcs or layers in a of altered feldspar. muscovite visible in the pebble and many small black patches |  | | Book (edition) | | PETROGRAPHICAL CLAssIFICATION 1 Crushed stone quarries 1 Gravel pits 3 Slag works 4 GEOLOGICAL DISTRIBUTION... Within each county the crushed rock quarries, gravel pits and slagworks are listed separately, the information...Name and situation of quarry, pit or works Type or types of rock, gravel or slag British Standard group...in the sections of the text dealing with gravel pits. GRAVEL PITS In the case of gravels, which may contain...examination. In the sections of the list dealing with gravel pits, the following abbreviations are used for |  | | Journal (article/letter/editorial) | | Gilgen Windows Alps-The Hallein District I . Alps-The Hallein District II . Alps-The Lammertal and Gosau...Geologists' Association 1966 Field Meeting in Austria. The form of the orig inal Guide has been retained...of one of the numerous good tourist guides to Austria. The present Guide is intended for use in conjunction...during the Geologists' Association Field Meeting to Austria, 1966 E. R. OXBURGH 58 Near the summit there...Day 2. The Northern Calcareous Alps-The HaUein District I Route: Hallein-St. Leonhard-Glanegg-Puch-Adnet-Hallein |  | | Journal (article/letter/editorial) | | 232 EXCURSION TO THE ST. DAVIDS DISTRICT, SOUTH WALES. PETROGRAPHY. See above papers and also: 1908...irregularity in the forms EXCURSION TO THE ST. DAVIDS DISTRICT, SOUTH WALES. 233 of the grains, their unevenness...such acid minerals as quartz, a few flakes of muscovite, and some orthoclase, is against the theory of...and Middle Chalk, and has a channel with river-gravel in part of its course. The valley was visited by...surface-water, were being formed at its lower end, and a gravel-pit about a mile up it was about half full of water |  | | 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...black tourmaline xls associated with whitish muscovite. "These 2 specimens were found on a recent trip...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 |  | | 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 |  | | Journal (article/letter/editorial) | | III. PHYSICAL FEATURES AND GEOLOGY OF THE DISTRICT 56 V. THE BOULDERS AND ERRATICS VI. I. GENERAL...volcanic action in Britain." The geology of the district lying immediately to the north-east of the St...scattered in the geological literature of the district relating to travelled boulders and other possible...of Haverfordwest, we meet with finely comminuted gravel ; but this is rare." THE (JLACIAL DEPOSITS OF...found which have travelled from the St David's district and some possibly from North Wales. Flints were |  | | Journal (article/letter/editorial) | | III. PHYSICAL FEATURES AND GEOLOGY OF THE DISTRICT 56 V. THE BOULDERS AND ERRATICS VI. I. GENERAL...volcanic action in Britain." The geology of the district lying immediately to the north-east of the St...scattered in the geological literature of the district relating to travelled boulders and other possible...of Haverfordwest, we meet with finely comminuted gravel ; but this is rare." Downloaded from https://www...found which have travelled from the St David's district and some possibly from North Wales. Flints were |  | | 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.......................................................... Muscovite Biotite Pyroxene Augite Zeolites Other minerals...3) 4) 5) 6) Upper Mississippi Valley zinc—lead district Mineral crystals, isometric ................. |  | | Journal (article/letter/editorial) | | Some of this is mined as low grade iron ore in open pit operations near the canyons. The area is very colorful...in Rosiclare, Hardin Co., 111. INDIANA—From a gravel pit near Fortville, Ind., we have an interesting...Hancock County, near the Hamilton County line; the gravel pit is close by, just over the line in Hamilton County...brownish chalcedony pebbles have been found in a large pit near Monroe, Ouachita Parish, La. M A I N E - D o...collect on the dump or to collect in situ in the open pit, may be readily received by checking with the watchman |
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