 | | Journal (article/letter/editorial) | | do Mina and other deposits are as follows: rhodochrosite, manganocalcite, tephroite, spessartine, rhodonite...and pyroxene. The Khoshchevat deposit (Odessa district, Ukraine) is assigned to the marble weathering...known in the Lapponian carbon aceous shales (northern Finland) and some other Late Archean basins. Thus...high bioproductivity, which accumulated the rhodochrositebearing car bonaceous shales (ampelites). Their...the Marra Gamba BIF, Hammersley basin, Pilbara province (Western Australia). The weathering profiles of |  | | Journal (issue) | | Săcărâmb, and in the waste dumps of the old mine area. Telluride bearing gold and silver ore deposit at...Săcărâmb is included in the Golden Quadrilateral area and it is the largest telluride mineral accumulation...Dobrogea province, I.1. District with phosphorites and glauconite, II. Central Dobrogea province, III. North...North Dobrogea province, III.1. Măcin district, III.2. Tulcea district. Carpathians Realm, IV. South...South Carpatians province, IV.a. Getic subprovince, IV.b. Danubian subprovince, IV.c. Mehedinţi subprovince |  | | Journal (issue) | | 2008 Green and pink elbaite from Paprook, Kunar Province, Afghanistan, gets its color from manganese in...the upper lefthand side. The bottom of the drilled area was smoothed using a 1/8 inch core drill to remove...the self-coloring group is superb, gemmy, red rhodochrosite, some of which can be faceted. Several pink...pink to red minerals, including rhodochrosite, rhodonite and its variety fowlerite, pink serandite, roeblingite...the manganese fields of South Africa, rivals rhodochrosite in color. Manganese shows up in several Franklin/Sterling |  | | Journal (article/letter/editorial) | | distal zones of the hydrothermal solution discharge area are considered. INTRODUCTION The South Faizuly...paleovolcanic belt (Fig. 1). The geological setting of this area is rather well known from many special publications...paleoisland-arc belt and (b) the Faizuly manganese deposit area. Modified after Zaikov (1991). (1) Paleogeodynamic...(8) Tubinsk, (9) Bakr-Uzyak; (18) Faizuly deposit area; (19) towns. eroded and overlapped by edaphogenic...grouped in the Baimak ore district (in the west) and the Sibai ore district (in the east). A great number |  | | Report (volume) | | Geology and Ore Deposits of the Atacocha District ·Departamento de Pasco Peru By ROBERT F. JOHNSON, RICHARD..._______________ _ Relation of ore deposits to district geologic features _______________ _ Mine descriptions...of the Atacoeha district, Departamento de Pasco, Peru. Geologic map of the Machcan area. Map of the principal...map and structure .section,., of the Atacoeha mine area. Map of the 4,103 level, Atacocha mine. Map of the...Geologic map of the Milpo area. Page Index map showing location of the Atacocha district, Departamento de Pasco |  | | Report (volume) | | STRUCTURAL CONTROL OF ORE DEPOSITION IN THE UNCOMPAHGRE DISTRICT OURAY COUNTY, COLORADO WITH SUGGESTIONS FOR PROSPECTING...classification and control._____________________________ Northern division______________________________________________...associated with fissures.___-____-__-__--_--___-_ Area north of the Ouray fault...........____________________...Structure map and sections of the Uncompahgre district..-.-54. Types of structural control of ore de..._____ FIGURE 32. Index map of the Uncompahgre district and western San Juan Mountains. _____________ |  | | Journal (article/letter/editorial) | | including calcite, dolomite, siderite and rhodochrosite are common. They may be formed by diagenesis...is situated in the Tono uranium mineralization district, Gifu Prefecture, central Japan (Fig. 1). This...Group that was deposited in the Paleo-Setouchi province of Miocene age. A simplified geologic map around...kaolin carbonate: calcite, dolomite, siderite, rhodochrosite iron oxide and hydroxide: hematite, goethite...Hachiya volcanic group that is distributed in western area (Fig. 2). Group C is felsic, and was probably derived |  | | Journal (article/letter/editorial) | | Nikopol district ................................................. 444 Chiatura district ............................................. Polounotch district ................................................StanfordUniversity has submitted samplesfrom the Autlan District, Mexico, and from CoquimboProvince, Chile. The...andesiteand basalt. On the southeast,this district mergeswith the Boleo district(44), withinwhichseveralbedsof copper-bearing...and the lead contentfrom 0 to 0.23 percent. In the area that includesthe two districts,there appearsto be |  | | Journal (article/letter/editorial) | | minerals were identified. Quartz, hausmannite, rhodochrosite, tephroite, ribbeite, pyroxmangite, and caryopilite...sediments as oxides and a gel-like Mn–Si phase. Rhodochrosite and neotocite were formed at the diagenetic...the Magnitogorsk paleovolcanic belt (Fig. 1a). The area is composed of Devonian volcanic and volcanosedimentary...Faizulino 12 4 3 b 2 1 53° Northern area (b) Southern area 10 m 11 10 9 8 7 6 5 Fig....established in the southern and northern areas of the deposit. The southern area is the most promising. The |  | | Journal (article/letter/editorial) | | 01:02 01 January 2015 Minerals of the Gilman District and Eagle Mine Eagle County, Colorado WILLIAM...pedersencpg@aol.com 298 ROCKS & MINERALS T he Gilman district, in Eagle County, Colorado, and its premier mineral...Denver. The Gilman district was originally known as the Battle Mountain district and was later referred...as the Red Cliff district. Much of the older (pre-1940s) literature refers to the area by one, or both...both, of these names. The district is famous for its once-prolific production of well-crystallized and aesthetic |  | | Journal (issue) | | .............................. 313 COVER: RHODOCHROSITE crystal group, 10 cm, from the N 'C h w an in...in g m ine, Kalahari m an g an ese field, C ape Province, South Africa. (See th e article in this issue...challenge. Not only would there be a smaller geographic area to be responsible for (as, for example, a county...Smithsonian there have been numerous changes in the area of acquisitions. In terms of what is generally available...that he or she opts to get into it. This is one area where the small museum can simply conclude that |  | | Journal (article/letter/editorial) | | alteration carrying abundantK-feldspar occupiesan area in the interior of a relatively large plutonof phaneriticgranite...erodedstratovolcanoes, as at Cerro Marquez in northern Chile. Such zones are interpreted as the columns...hostto the Chuquicamata ore body, which occupiesan area some 3 x 1.5 km alterationtypes,and at surfacethe...altered exists. Independent mappingin thispart of northern area and are only sparselymineralized. Contact Chile...transcurrent movement on the West 'Fissure could area of the order of 100 km 2. As illustrated in |  | | Journal (article/letter/editorial) | | in the Cerro Vanguardia district where vein systems occur over a 350 km2 area and veins can be traced...for more than 14 km. Geological mapping of the district has resulted in the definition of over 140 km...of Argentinian Patagonia, a part of Santa Cruz province known as the Deseado Massif. Genini Ž1988. first...Deseado Massif, referred to as the Cerro Vanguardia area. As a result of regional mapping carried out by...173–186 Massif comprises the center of Santa Cruz Province and forms the southernmost region of Extra-Andean |  | | Catalog/List | | on the button marked “Place Absentee Bid.” A new area on the same page will open up for you to enter your...This record class Water Buffalo was taken in the Northern Territories of Australia a few years ago. His...world’s wild sheep. Living in the Bamou Mountains of Iran it is lightly hunted. This mount is a few years...Alborz Mountains of northern Iran and in the Kavir Desert of north-central Iran. This specimen is a mature...creature living in the rugged mountain country of Iran and Turkey. A few have been successfully transplanted |  | | Journal (article/letter/editorial) | | (δ18é from 14.4 to 21.4‰ SMOW) were studied in rhodochrosite and calcite from manganese ores in the South...geological–petrographic materials. Carbonates (rhodochrosite, Mn-calcite, and kutnohorite) occur as major...participation of methane in the formation of rhodochrosite. This work presents the results obtained and...occurs in the southern and northern areas of the deposit. The southern area is most interesting. Manganese...Manganese ores in this area make up a lenticular-flattened sheetlike body (length 220 m along the strike |  | | Journal (issue) | | Radioactive Minerals 48 Part I: Bournonite, rhodochrosite and epidote collectible species combine beauty...specimens 58 exploring the lapidary arts of northern India by Jim Landon by Jim Brace-Thompson Rocks... My Favorite Minerals PART I: Bournonite, Rhodochrosite and Epidote E very mineral collector and mineral...variety of banded rhodochrosite was mined at the Capillitas mine (Catamarca Province), in the Argentine...Cornwall. The Yaogangxian mine, at Changzhou (Hunan Province), China, has produced wonderful cogwheel crystals | | | Journal (issue) | | Radioactive Minerals 48 Part I: Bournonite, rhodochrosite and epidote collectible species combine beauty...specimens 58 exploring the lapidary arts of northern India by Jim Landon by Jim Brace-Thompson Rocks... My Favorite Minerals PART I: Bournonite, Rhodochrosite and Epidote E very mineral collector and mineral...variety of banded rhodochrosite was mined at the Capillitas mine (Catamarca Province), in the Argentine...Cornwall. The Yaogangxian mine, at Changzhou (Hunan Province), China, has produced wonderful cogwheel crystals |  | | Book (volume) | | prounce The Dinaric metallogenic province The western Macedonian district Iron ore deposits . Manganese...rock ; ‘ ; : Serbo—Macedonian _—_metallogenic The province The pre-Devonian merallGeeuie epoch The Hercynian...Osogovo—Ograzden ore district The West Rhodope ore district The East Rhodope ore district The Srednogorié...Sofia ore district The Panagyurishté ore district The Yambol ore district . The Burgas ore district The Malko...Malko Tirnovo ore district structiralemersllogents The _ Kraishtide zone 189 xi The Balkan structural—metallogenic |  | | Report (issue) | | GEOLOGY AND ORE DEPOSITS OF THE BONANZA MINING DISTRICT, COLORADO BY W. S. BURBANK WITH A SECTION ON...Geography _ ______________ ___-__-__ Situation of the district _ _ _________________ Topographic features. ....Previous geologic and topographic work in the district. ____ ___________._-__-______--__. Field work..._________________. Southern part of district._____-______--_ Future exploration in the district.________---__._ Mines...mine_________________________ Mines of the southern part of the district-_______ Eagle mine.--____-------___________--_--__ |  | | Journal (issue) | | Dadongla (Yunchangping) mine near Tongren, Guizhou Province, China. Marcus Budil specimen; Jeff Scovil photo...of Tonglushan, near the city of Daye in Hubei Province, have revealed important historical information...tonnes of ancient slag were found, covering a surface area of 20,000 square meters. The ancient Tonglushan...limited availability of water in the relatively dry northern plains has historically been a further hindrance...being put into practice (Sommerlatte, 1985). The province of Yunnan, in the southwestern part of the Chinese |  | | Report (volume) | | Lead-Zinc Deposits of Cordillera Blanca and Northern Cordillera Huayhuash, Peru Prepared in cooperation...REPUBLICS LEAD-ZING DEPOSITS OF CORDILLERA BLANCA AND NORTHERN CORDILLERA HUAYHUASH, PERU By ALFRED J. BODENLOS...central and southern Cordillera Blanca and the northern Cordillera Huayhuash comprise 6 mineral districts...districts and copper sulfldes in the Antamina-Contonga district contain large reserves of possibly minable material...INTRODUCTION The Andean mineral province, a major metallogenic area of the world, comprising thousands |  | Xiao, Xi, Zhou, Qian-Zhi, Fu, Shao-Ying, Liang, Qian-Yong, Xu, Xiang-Po, Li, Yan, Wang, Jiang-Hai (2019) Petrographical and Geochemical Signatures Linked to Fe/Mn Reduction in Subsurface Marine Sediments from the Hydrate-Bearing Area, Dongsha, the South China Sea. Minerals, 9 (10) 624 doi:10.3390/min9100624 | Journal (article/letter/editorial) | | Subsurface Marine Sediments from the Hydrate-Bearing Area, Dongsha, the South China Sea Xi Xiao 1,2,3,4,†...marine sediments in the Dongsha hydrate-bearing area in the South China Sea. The petrological and geochemical...methane; organic matter oxidation; hydrate-bearing area; South China Sea 1. Introduction Iron (Fe) and...the Skagerrak, Panama Basin, Black Sea, and the northern Barents Sea, Mn reduction was a dominant process...calcite, dolomite, ankerite, and siderite) in the northern Okinawa Trough were systematically investigated |  | | Journal (article/letter/editorial) | | epidote, rhodonite, caryopilite, calcite, and rhodochrosite. The mineral assemblages of metamorphosed manganese...epidote, rhodonite, caryopilite, calcite, and rhodochrosite. The oxide–carbonate–silicate and oxide–silicate...Ca5(PO4)3(OH,F) 56 Celsian 57 Calcite* 58 Rhodochrosite 59 Kutnahorite 60 Barite 61 Apathite + ...Urazovo, (4) Kozhaevo, (5) South Faizulino (southern area), (6) Central Faizulino, (7) Bikkulovo; type II...II (distal ore layers): (8) South Faizulino (northern area) (9) North Faizulino, (10) Kusimovo. Supergene |  | | Journal (article/letter/editorial) | | characteristics of runoff from acid sulfate soils in the northern area of Okinawa Island, Japan S AID A LI VUAI,1...Arashiyama and in Ooshitai, which are located in the northern part of Okinawa Island and evaluated their potential...occurrence of acid sulfate soils (ASS) in the northern area of Okinawa Island was reported by Kawasaki and...conducted to observe the distribution of ASS in the northern area of Okinawa Island showed that in Arashiyama...Arashiyama, ASS is found within a relatively small area of about 60 m2 about 500 m south of the seacoast |  | | Journal (issue) | | Pinkcalcite"mushrooms" fromYaogangxian, Yizghang, Hunan Province, China.Formerly OliverKonczer collection. It worked...slags at Le Celine di Cotoriano Mine (Rosia, Siena Province, Tuscany, Italy). I have no clue why man-made...Xikuangshan Mine (Lengshuijiang, Shaoyang, Hunan Province, China). crystals over 20 cm long and lustrous...crystals Jochen Hintze collected in the Morogoro District in Tanzania. Imagine a mineral dealer going in...the bismuthinite from Shangbao (Leiyang, Hunan Province, China), slender crystals co 15 cm, dark grey |
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