 | | Journal (article/letter/editorial) | | AN OVERVIEW Rhode Island MINERALS & COLLECTORS F. WILLIAM MILLER Harvard Mineralogical Museum 24 Oxford...A L SPECIES and many varieties occur within Rhode Island. Part of this abundance is attributable to the...Northern Zone, including Providence County and the northern towns of Kent County, 2) the Middle Zone, including...towns of Washington County, and 3) the Southern Zone consisting of Washington County and southwestern Newport...Newport County. The greatest number of species and varieties appear in the Northern Zone. Miller attributes |  | | Journal (article/letter/editorial) | | NORTHEASTERN RHODE ISLAND 286 ROCKS AND M I N E R A L S The adjacent towns of Cumberland and Lincoln in northeastern...northeastern Rhode Island offer col lecting in several localities, including the Conklin Limestone quarry, the...the Old Dexter quarry, Diamond Hill, the Route 114 road cut, and the Iron Hill mine. T H E T O W N S H...U M B E R L A N D at the northeast corner of Rhode Island is not so famous mineralogically as Cumberland...there is enough interest ing in this town and in Lincolnâthe adjacent town to the southâto warrant a field |  | | Journal (issue) | | Jr. Inesite from the Hale Creek mine, Trinity County, California......................................................................369 by L. H. Conklin Letters to the editor ........................... 8th Friday, Oct. 9th BEY'S ROCK SHOP GRAYSON LAWRENCE H. CONKLIN PICKENS GRENVILLE MINERALS ...learned to transform intractable masses of hard rock into works of great beauty. The Peopleâs Republic...gem fields. Sapphire deposits on windswept Hainan Island are under in vestigation. In 1976 the first major |  | | Journal (article/letter/editorial) | | distinctivepetrographiccharacteristics that are used and Conklin, 1967), McCoy Gulch (Heinrich and in this report...Creek fault is east side upward (Taylor et al., Rock(1976,p. 101) acknowledges the factthatthe 1975a):...southeast, is a setof quartz- surrounding country rock have been grouped by barite veins and fracture zonescontaininghigh...spathic hostrockstypicallyshowlossof quartz,have other rock types, especiallylamprophyresand red their feldsparsreplacedby...pseudomorphouslyreplaced a fine- to medium-grained rock with a porphyritic texture. Phenocrystsare aggregates |  | | Journal (issue) | | BONANZA Rock collecting, sightseeing and a look at history in Colorado by Steve Voyn ick CONKLIN QUARRY...QUARRY Minerals and gem materials in Rhode Island by James R. Mitchell FEATURES 10 48 51 Page 122 A PICTURE...Vanguard blade. aluminum oxide wheel for sharpening rock picks, chisels, etc. Use fine grit ⢠Handy, adjustable...CENTER CADILLAC OF ROCK GRIPPERS _ __._..__._....., SHIM The new 4 POINT SOVA ROCK VISE Designed and...This toot puts four equal pressure points on your rock. holding odd shaped pieces solidly for accurate |  | | Book | | ADULARIA Adu Iaria from the Howard-Montgomery quarry, Howard County, Maryland (by J. S. White) 25:53-54 AFGHANISTAN...Iron-manganese phosphates of the Williams pegmatites, Coosa County, Alabama (by P. B. Leavens & T. A. Simpson) 6:66-73...ALASKA Famous mineral localities: Prince of Wales Island, Alaska (by P. B. Leavens & R. W. Thomssen) 8:4-12...ALICE GLORY HOLE The Alice glory hole, Clear Creek County, Colorado (by T. A. Hanson & W. B. Craft) 18:185187...--and W. Hunt: The Tonopah-Belmont mine, Maricopa County, Arizona 19:139-144 ALLGOOD, GENNE MYERS --and |  | Luo, Yao, Ding, Jiayu, Shen, Yougang, Tan, Wenfeng, Qiu, Guohong, Liu, Fan (2018) Symbiosis mechanism of iron and manganese oxides in oxic aqueous systems. Chemical Geology, 488. 162-170 doi:10.1016/j.chemgeo.2018.04.030 | Journal (article/letter/editorial) | | indicated that Fe2+aq was oxidized to goethite and lepidocrocite, and Mn2+ adsorbed on the surface CE of iron...oxidation of Fe2+aq and Mn2+aq and formation of lepidocrocite. This work expands our understanding of the...of Fe2+aq and Mn2+aq; Oxidation; Goethite; Lepidocrocite; Crystallinity 1 ACCEPTED MANUSCRIPT 1. Introduction...environmental science. PT E Iron oxides, including lepidocrocite, goethite, ferrihydrite and hematite, are commonly...MA different minerals follows the order of lepidocrocite > goethite > silica > alumina (Davies and Morgan |  | | Journal (issue) | | Anhaeusser Minerals of the Linwood mine, Scott County, Iowa ............. 231 by P. L. Garvin & D. M...Bancroft, Stanton Hill, Ralph Dietz and George Burnham. Rock H. Currier ⢠Jewel Tunnel Imports The Mi11eralogical...strike of the extremely rich Sheba Reef at Golden Quarry just below Eureka City. The Mi,reralogica/ Record...of the farm. Harrison stumbled over an outcrop of rock. He examined it and, having been a digger in Australia...over the outcrop and crush and pan a piece of the rock to find the tail of gold. Walker, however, stated |  | | Journal (issue) | | mineral from the Clear Creek claim, San Benito County, California ............269 by A. C. Roberts, M...howieite, and zussmanite at the Laytonville quarry in Mendocino County, California. He brought the minerals...area to be responsible for (as, for example, a county or state museum), but there would be no particular...chief chef for a hospital (I believe in Sonoma County), was an expert on rare conifers of the California...under datolite in the hydrothermally altered wall rock of the open cavity in the upper part of the Main |  | | Journal (article/letter/editorial) | | occurrence is described in detail by Leonard, Mead and Conklin, (1968). Grains of electrum range in size from...scheelite-huebnerite deposit (Leonard, Mead, and Conklin, 1968). This acanthite is coarser than most; some...origin occurs sparingly withjarosite, goethite, lepidocrocite, cerussite, goslarite, secondary copper minerals...is that at the New Snowbird (Leonard, Mead, and Conklin, 1968). A mineral that is almost surely either...covelline, minor Ag (Mead, in Leonard, Mead and Conklin, 1968), digenite, minor Ag (Mead, ibid.), galena |  | | Report (issue) | | Rare-Earth Veins in the Laughlin Peak Area, Colfax County, New Mexico By MORTIMER H. STAATZ GEOLOGY AND ...rare-earth veins in the Laughlin Peak area, Colfax County, New Mexico (Geology and resources of thorium in...MexicoâColfax County. 2. Thorium oresâNew MexicoâColfax County. 3. Earths, RareâNew MexicoâColfax County. I. Title...Present investigations and acknowledgments ....... Rock types ............................ Sedimentary rocks.... El 1 2 2 2 2 4 4 4 6 6 6 7 7 11 12 14 15 16 Rock typesâContinued Igneous rocksâContinued E17 Rhyodacite | | | Journal (issue) | | Anhaeusser Minerals of the Linwood mine, Scott County,Iowa ..................... 231 by P. L. Garvin...Stan ton Hill, Ralph Dietz and George Burnham. Rock H. Currier Jewel Tunnel Imports The M ineralogical...strike of the extremely rich Sheba Reef at Golden Quarry just below Eureka City. The M ineralogical R ecord...the farm. Harrison stumbled over an outcrop o f rock. He examined it and, having been a digger in Australia...over the outcrop and crush and pan a piece of the rock to find the tail of gold. Walker, however, stated |  | | Journal (issue) | | at Thornberry Mountain near Coarsegold, Madera County, C alifornia............................. 127 by...trips to the famous Crestmore quarries in Riverside County, California, 123 will once again be permitted...about 2 miles north of Coarse Gold [sic], Madera County (some say 5 miles northeast of this town). From...unspecified locality near Springerville in this same county, some astonishingly fine specimens of axinite were...at least âA inch thick, resting upon a matrix of rock associated with actinolite. The color is rich brown |  | | Book | | Jay in this of popular the Ellis Ransom, Rock-huntefs Range Guide, tells everything you need...commercial ores and secondary minerals by state, county, township, and geologic range. For easy identification...as well as a dis- cussion of the basic kinds of rock: igneous, sedimentary, Once and metamorphic. ...by Jay FOSSILS IN Ellis Ransom AMERICA THE ROCK-HUNTER'S RANGE GUIDE ARIZONA GEM TRAILS PETRIFIED...or silver; an angry mule skinner reaching for a rock to throw at an obstreperous mule, only to discover |  | | Journal (issue) | | Mira Loma, Cali- RED CLOUD MINE SITE, YU M A COUNTY. ARIZONA WULFENITE, Red Ckud M m 7 JTQ MINERAL...art Two! COME BACK TO RHODE ISLAND October 28, 29 and 30, 1988. Rhode Island Mineral H unters is proud...at Community College of Rhode Island (CCRIO Knight Campus, Warwick, Rhode Island, (exit 12B off 1-95) ...Natural History are expected to participate. From Rhode Island-am ethyst scepters; from Connecticut-dinosaur...invite you to COME BACK TO RHODE ISLAND IN '88. Sponsored by: Rhode Island M ineral H unters At: C om |  | | Journal (issue) | | 287 288 293 353 A hornfels unit in the Poudrette quarry .................................................and J.Van Velthuizen Figure 1. The Poudrette quarry in the summer of 1988. Photo by L. Horvath. 284...important for the collector to recognize the various rock units which represent the unique mineralogical environments...associations are listed with the descriptions. Quarry maps have not been included because the precise...of many past finds in the quarry were never recorded, and because the quarry has changed so much over |  | | Book (volume) | | publisher. Cover photograph: Fluorapatite, Pulsifer quarry, Auburn, Maine (2.2 cm specimen), Harvard Mineralogical...greater variety of minerals are found in Oxford County, alone, than anywhere else on Earth of comparable...than Maine's, as well. An area smaller than Oxford County in Murmansk Ob last, Kola Peninsula, Russia, has...clear to slightly blue topazes. However, San Diego County, California, is arguably the most important gem-pegmatite...Gerais, Brazil, better than those from the Harvard quarry in Greenwood? Are the morganites of Cerro de Urucum |  | | Journal (issue) | | and advertising. ARSENTSUMEBITE FROM DOLYHIR QUARRY Neil Hubbard ⢠David Green ⢠Tom Cotterell 9 ...Cox ⢠Ron Cleevely 31 PARALSTONITE FROM DOLYI-IIR QUARRY Tom Cotterell CIRCULATION, SALES & FINANCE Jean...FROM CARROCK MINE Mike Rumsey 53 NEW CLIFFE HILL QUARRY Trevor Bridges 55 ROCKBOTTOM PUBLICATIONS LTD...became. The type locality is, of course, High Down Quarry in Devon, and wasn't it named after a local collector...coveted items in all mineralogical literature (e.g. Conklin, 1995). Sowerby borrowed widely from the collectors |  | | Book | | HfiRIN COUNTY FREE LIBRfiRY 311110G386652Q I V Russell P MacFal A COLOR TREASUF FOR COLLECTORS...are 100 maps geared to leading the "hunter to his quarry" and more than eighty photographs of minerals in...to Hunting Locations ? i 9 GIVEN TO THE MARIN COUNTY LIBRARY BY MARI N L MTNF.RAT. SOCTETY DAVID...the sociologists to decide Not everyone takes up rock hunting because of an interest in mineralogy There...comes when, after hours of hammering, a resistant rock splits just the way you want it to. And in the end |  | | Journal (issue) | | rights reserved. The Round Mountain Mine, Nye County, Nevada . . . . . . . . . . . . . ...GOLD, 2.3 cm, from the Round Mountain mine, Nye County, Nevada. See the article on this occurrence beginning...mineral dealer, was born in Lake Elsinore, Riverside County, California on July 16, 1914, the son of Lois Lee...portion of his stock to Tony Jones of California Rock & Mineral Supply, but still worked in his business...quarries close to Bartâs home. On the road to the quarry John found what turned out to be a beautiful specimen |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Thomas P. Moore Niantic, CT Joe Polityka Staten Island, NY Jeffrey A. Scovil Phoenix, AZ Pierre-Nicolas...with an REE europium depletion similar to that of island-arc andesites, and thus are of shallower magmatic...vertically. The complex and colorfully banded skarn rock has been used for ornamental stone lining the interiors...ancient hydrothermal cavities found in the host rock. These range from a few centimeters across to house-size |  | | Journal (issue) | | calcium silicate, one of the rarer zeolites ⢠Grant County, Oregon ⢠tiny crystals with a striking pearly...offering something for virtually every element of the ârock hobby.â John S. White, Jr. mineralogical record...matrix. 3 x 1.5 in. $65.00. NEPTUNITE. San Benito County, California. A fine m atrix specim en with six...Very attractive. $10.00 each. ARTINITE. San Benito County, Cali fornia. A selection of twelve specimens...learned that Cahn first sold minerals at Staten Island, N.Y., in New Y ork City at two establishments |  | | Journal (article/letter/editorial) | | Wilkin et al. (2003) to contain ferrihydrite, lepidocrocite [-FeOOH], goethite, magnetite, hematite, aragonite...and siderite, the detection of Fe2CO3(OH)2, lepidocrocite, calcite, and mackinawite, and confirmation...aragonite, siderite, Fe2CO3(OH)2, goethite, lepidocrocite, hematite, magnetite, akaganĂŠite, ferrihydrite...from the Fifth International Conference on Acid Rock Drainage 2. Society for Mining, Metallurgy, and...from the Fifth International Conference on Acid Rock Drainage 2. Society for Mining, Metallurgy, and |  | | Book (edition) | | OX5 1 GB, UK 225 Wyman Street, Waltham, MA 02451, USA Copyright Š 2015, 2008 Elsevier B.V. All rights reserved...thickness; these twins are often associated with rock deformation. Polysynthetic twins are lamellar (optically...hardly bears any resemblance to the original dunitic rock (Fanja, SW of Muscat, Sultanate of Oman). Even...appear as colloform layers sub-parallel to the wall-rock exhibiting radial textures, 12 Hydrothermal (continued)...principally reflect the following: ⢠Transport that shaped rock/mineral fragments (sharp-edged brecciated or rounded |  | | Journal (issue) | | R. Kampf Natural History Museum of Los Angeles County George Robinson National Museums of Canada Arthur... This concept of a âcompleteâ specimen includes rock matrix, contact phases, subsequently formed phases...short, everything present, including the country rock. Interpretation of these specimens requires the...covered with crystals and gems as well as bizarre rock formations, and everything glitters in fairylike...smelters and sleeping quarters for the miners. The hard rock was broken up by the firesetting technique, but |
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