 | | Book | | provided by: Amgueddfa Cymru (National Museum of Wales, Cardiff); British Geological Survey, Edinburgh...meneghinile Pengenna mine,St Kew,Cornwall; Shallowfield Bridge,SouthMolton,Devon Tynebottom mine,Alston.CUm~ria...CUm~ria mercury Chatsworth mine,Grassinglon, Yorkshire Severallocalities in theLakeDistrictandComw melacinnabar...theLakeDistrictan:iCorrr::a!I natrojarosite Wanlhwaite mine,StJohn'sin theVale,Cumbria SouthTerrasmine,StStephen-in-Brannel...Cumbria pharmaco!ite Wanlhwaite mine,StJohn'sin theVale,Cumbria Chatsworth mine,Grassington, Yorkshire p:cropharmacolne |  | | Journal (issue) | | logy. Contribution; co ncerning the topographical mine 7alogy of the British Isles are particularly welcome...with calcite, galena and pyrite. Glengowla East mine, Oughterard, Co . Galway, Eire. Sir Arthur Russell...vivianite PG. Embrey 77 Native silver from Hilderston mine , West Lothian. Scotland T.K. Meikle 83 Mineralogy...occurrence of arsenate minerals at Gwaith-yr-Afon mine, Dyfed , Wales S.A . Rust and J.s. Mason 109 NOTES Tyuyamunite...114 Barytocalcite and witherite from Rorrington mine, Chirbury, Salop, England R.E. Starkey, N. Hubbard |  | | Report (issue) | | exploration but in which no steadily productive mine has yet been developed. Virtually nothing has been...they not only increased the difficulty of obtaining mine timbers but destroyed buildings of considerable...accessible by a carefully graded road between the Monitor mine and Saltese. GEOLOGY. PRINCIPAL FEATURES. The dominant...siliceous rocks. Its most abundant and characteristic rock is a light greenish-gray flaggy impure quartzite...side of faults Strike and dip of stratified irocks Mine or prospect 4___5 Miles GEOLOGIC MAP OF REGION |  | | Journal (issue) | | NEWSLETTER Dr Helen Kerbey 15 Sir lvor Place, Dinas Powys, Vale of Glamorgan, CF64 4QZ Tel 02920 513901 WW...Alan Thorogood Lower House, Pentre-Bach, Brecon, Powys, LD3 8UB Tel 01874 638884 Mr Robert Tripp 1 Ridgley...mounted a stand in the entrance foyer at the Bakewell Rock Exchange on the Saturday only (thanks to Christine...available for display at Museums, Schools, Colleges, Rock Shops etc - it you think you could get one of these...Ocean; Chris reminded delegates that we actively mine millions of tonnes of sand and gravel aggregates |  | | Journal (issue) | | forming the cliff on the southeastern corner of Castle Rock, Nottingham, with Mortimer’s Hole behind the...memories of the early years Landmark of Geology Castle Rock: Tony Waltham & Andy Howard 37 Reports Leedsychthys...of more ‘continental’ climatic conditions in the UK. This 2 is now supported by studies of clay minerals...that happened to be present in the Chicxulub target rock (Journal of Geophysical Research, 1997, p. 21645)...shows ore-laden trucks emerging from the Long Harry Mine, which was entered by several adits dug into the |  | | Report (issue) | | (Keyes) …………………………………18 2 Chalcopyrite crystals from the San Pedro mine ……………………………......33 0 PLATES...Pedro mine ……………………………….....31 10.Unusually large chalcopyrite crystal from the San Pedro mine ……………...and sills intruded the sedimentary rocks. The main rock types are monzonite, monzonite porphyry, latite...and contact metasomatic deposits. The San Pedro mine has been the most important and has produced more...northern edge of the area lies partly within the Ortiz Mine Grant and entirely within the New Placers mining |  | | Journal (article/letter/editorial) | | not been fully appreciated. At Ione, Calif., Castle Rock, Wash., Whiteware, Mont., Hobart Butte and Molalla...estimated recovery in pounds of run of mine mica per ton of rock. Estimated 1944 costs. Recommendationsfor...replacesomeof the wall rock. Near the ore the sillsare hydrothermally altered to a white rock, high in carbonate...approximates1,000 tons of ore daily. The exposedcountry rock is schist with a little interbedded slate and a...sphaleriteand their oxidizedproducts, a small amount of chalcopyrite, and numerous other minerals. Appreciablevalues |  | | Report (issue) | | The following analysis of "chrome ore" from Wood's mine by Garrett (1852: 45) lies may be taken as an example...OCCURRENCE OF MINERALS solutions may pass into the rock intruded, development of an interesting 13 ...magnetite, ilmenite, chromite, pyrrhotite, and chalcopyrite occur. These have been regarded in the past...water, 7 H. C. Cooke, Gabbros of East Sooke and Rock Point: Canada Dept. Mines C. F. Tolman, Jr., and...igneous mass, and magmatic pass into the intruded rock. The chief factors affecting the which may and |  | | Journal (issue) | | Upcoming Events 2-5 Article - S. Veatch, The Castle Rock Quarries: A Building Stone Bonanza 6 - 11 Pebble...coloscisoc.org for updates and details. Apr 23: 6-10 PM, “Rock Out for the Ridge,” annual fund-raising dinner and...Visit the Rock and Gem Magazine’s Show page and select the state you are interested in: Rock and Gem Magazine’s... CSMS Pick & Pack 5 fi April 2022 The Castle Rock Quarries: A Building Stone Bonanza Part 2 of...mules to move the stone. An incline tramway brought rock down from the top of the mesa to railway cars waiting |  | | Book | | you arc you will not be far from rock, or materials made from rock. If you arc reading this by the light...that light will be shining through the products of rock - glass is made from a chemical amalgam of limestone...the ground. Every single one of us lives on rock and off rock, and the nature of the rocks that make up...Britain. Prepare to be surprised by the influence that rock has on your life, and has had on all aspects of...and development - economic, social and cultural. Rock Solid was inspired I!] the BBC Radio 5 series of |  | | Report (volume) | | Geology and Ore . Deposits of the Castle Dome Area Gila County, Arizona By N. P. PETERSON, C. M. GILBERT...______________________ Geologic history of the Castle Dome area_____________________________ Rockdescriptions...~ _ ________ __ _________ Diabase sills in the Castle Dome mine____________________ Diorite porphyry..._____________________ General structure of the Castle Dome area________________________ Periods of faulting... ----Structures in the Castle Dome mine______________________________ Castle Dome copper deposit____ |  | | Report (issue) | | classification mistake. Combinations of host and associated rock types, contained metals, mineralogy, geologic settings...respect to the grade and tonnage of the mineralized rock in a deposit. Within individual deposits, tonnage...be reported because they may not be economic to mine at the time they are explored. Balancing these...because mining concerns attempt to develop long-range mine plans now. It is also more common in recent years...sources listed in references) Deposit name Newmon Mine Allan (Johnson Lease) . Courtwright (Daggett Lease) |  | | Report (issue) | | somewhat lesser extent with sphalerite, galena, chalcopyrite, and pyrite. South of Mount Eielson the regional...and is several times as abundant as galena. Chalcopyrite is present in minor quantities. The small amount...ridge, one of the most striking of which is Castle Rock, 5,765 feet above sea level. West of the north...quarters of a mile away. The southern part of the Castle Rock Ridge forms the eastern wall .of a northward-facing...of Mount Eielson and the eastern slope of the Castle Rock Ridge form the west side of the upper valley |  | | Report (issue) | | at Issaquah. It is being mined at the Harris clay mine. History The Kummer high-alumina .clay bed was...3. Lawrence Harris, operator of the H?rris coal mine, was responsible for the discovery of the u arris...products. i Ricl-ard Farrow, operator of the Blue Blaze mine, found the Blum high-alumina cley deposit and brought...thin films along fractures. One occurrence of chalcopyrite (CuFeSo) was noted. The clay from hole 1 contained...in sees. 8 and 10, T. 21 N., R. 7 E. Both the chalcopyrite and jreal~ar areo of hydrothermal origin and |  | Plumlee, Geoffrey S., Streufert, Randall K., Smith, Kathleen S., Smith, Steven M., Wallace, Alan R., Toth, Margo I., Nash, J. Thomas, Robinson, Rob A., Ficklin, Walter H., Lee, Gregory K. (1995) Map showing potential metal-mine drainage hazards in Colorado, based on mineral-deposit geology. Open-File Report Vol. 1995 (95-26) US Geological Survey doi:10.3133/ofr9526 | Report (issue) | | Pulver Badger Flats Sou th P latt eR ive r Ar Rock Creek Unaweep Limon Fairplay S Champion er...Alma Consolidated Montgomery Alma Burlington Castle Rock Sou ng ari Ro Tarryall Crk. Climax Tenn...epithermal deposits--(Pyrite-enargitecovellite-chalcopyrite veins, disseminations in wallrocks intensely...disseminations in carbonatepoor rocks--(Pyrite, chalcopyrite, sphalerite, galena, ± molybdenite). Waters...Waters draining underground workings and mine dumps have pH values that range from 2.5 to 5.5; Fe, Al, Mn conc |  | | Report (issue) | | (Color) Roadlog 1 from Agua Prieta to La Caridad Mine Geologic Summary of the Nacorzari Mining District... other (Brennan, pre-Tertiary 1957; Finnel, rock is 1970b). Imbrication directions as determined...Formation. 23.4 Escabrosa Limestone on left. Castle Rock, 0.4 the conspicuous terreted crag which overlooks...Bisbee is down and to the right of the highway. Castle Rock is mainly composed of Escabrosa Limestone...name. To the right is the Copper Queen mine; worthwhile mine tours are offered daily. within the |  | | Journal (issue) | | college I was very active in surface collecting the mine dumps and clandestine collecting underground in...clothes, spare eye glasses, shaving kit, alarm clock, rock hammer, flashlight, some snacks to munch on, and...He showed me around the office and said the three mine geologists were underground on their rounds. He...solicited Nathan Bartlett ( 1811-1895), who had been mine manager at the Mechanical Zinc Works in Newark,...morning I arrived at the appointed time to meet the 3 mine geologists who were Sam, Joe, and Tim (I have forgotten |  | | Report (issue) | | ______________ 8 Surficial alluvial and crushed rock ______________________________________ 10 Introduction...______________________________________________ 18 Source Rock geology ____________________________________________...______ 53 Rare new minerals of the United Verde Mine fire ___________________________ 53 Calcite ___...historically important in the area including a major mine at Jerome (just west of Cottonwood and Clarkdale)...continuous sequence. Surficial alluvial and crushed rock Introduction Sand and gravel is an important source |  | | Report (issue) | | _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Gold in Castle Rock Conglomerate ________ Ore deposits of Chicago... _ Aurora district_ ___________________ _ arlin mine __ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Copper...magnetic, and gamma-ray surveys of the Hail and Brewer mine area in north-central Soutl Carolina, the Eastport-Calais...in Elko County (magnetic, resistivity), Snowstorm mine in the Sheep Creek Range north of Battle Mountain...Platinum and associated elements at the New Rambler mine and vicinity, Albany and Carbon Counties, Wyoming |  | | Report (issue) | | ............. North Star mine......................... Schwartzwalder mine (Ralston Creek)...... Nigger...................... Map and section, North Star mine ................................................................. Map of the Schwartzwalder mine.........................................................composed of fragments of bleached and iron-stained wall rock, usually hornblende gneiss, that have been cut by...minerals are subordinate except at the Schwartzwalder mine, where torbernite and metatorbernite are common |  | | Report (volume) | | southwest to a high of 11,815 ft at the summit of Castle Peak in the White Cloud Peaks (fig. A2). Local...Atlanta lobe of the Idaho batholith is composed of six rock types emplaced in at least three stages during a...which together make up as much as 35 percent of rock IDAHO BATHOLITH AND RELATED ROCKS CEOUS) Granitic... Biotite may constitute as much as 2 percent of rock. Garnet is common. Occurs as dikes and irregular...specimen and comprising as much as 5 percent of rock Biotite granodiorite and granite Gray to light-gray |  | | Report (issue) | | Pre-Cambrian deposits _________________________ _ Mine descriptions __________________________ _ 39 39...Magmatic segregations and disseminations_ Cotopaxi mine _____________________ _ Copper deposits in Jefferson...property _____________ _ Malachite mine ________________ _ Empire mine __________________ _ Hypothermal...Hypothermal replacement veins _________ _ Isabel mine _______________________ _ 68 68 68 68 Lone Chimney, Mill...Nisley mine _______________________ _ Hosa Lodge mine __________________ _ Copper King nickel mine ___________ |  | | Journal (article/letter/editorial) | | serratedridgesand narrow spurswith spiresand minaretsof rock. The highestelevation reached on a ridgewas5,4oofeet...rapidly maturing. Rock slidesor avalanches are of frequent occurrenceand many tons of rock are yearly transportedfrom...transportedfrom the tops to the base. s of the slopes. The rock gouges into the mountain side and leaves behind...nd the mineralswere, therefore, fresh, and the rock tough. Tourmaline is frequentlya conspicuous constituent...basalt is a tough, very fine grained, black colored rock with a green tinge. Rarely were flow lines noted |  | | Book | | Survey 1:50 000 Series Sheet 29 Keswick (England and Wales) Author D G Woodhall Contributors D F Ball The...l :50 000 Series Sheet 29 Keswick (En gland and Wales). 48pp. Copyright in materials derived from the...uk e-commerce: www.british-geological-survey.co. uk Murchison House, West Mains Road, Edinburgh EH9 3LA...Stapledon Building, University of Wales, Penglais, Aberystwyth, Ceredigion, Wales, SY23 3DB 1l' 01970 622541...Crag Mine, Braitlnvaite 48 12 Sn1all landslip on the north side of\Vythbum valley, below Castle Crag |  | | Report (issue) | | the importance of chemical reactions with the wall rock is debatable; the influence of pressure, although...diminution in the size of orebodies, of brecciated rock a~d the tendency for fissures, faults and dikes...future." Dr. Schmitt's 1939 paper on the Pewabic Mine of the Central Mining District (193 9b) is considered...abstract of this paper he concluded: "The Pewabic mine is in the southeastern part of the zone of pyrometasomatism..., was expressed by close folding accompanied by rock flowage of the bedded rocks in the upper plate of |
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Castle Rock Mine, Penegoes, Powys, Wales, UK