 | | Report (issue) | | sin ¯ ]. ¯ = n.d. X-ray Powder Pattern: Qingtian, China; * = cookeite overlaps. 4.704 (100*), 3.343...012 11.296 Total 99.951 Chemistry: (1) Qingtian, China; by electron microprobe, Li by AA, H2 O by...cookeite and pyrophyllite. Occurrence: Within corundum, in a hydrothermal pyrophyllite deposit in rhyolite...chlorite, illite, halloysite, svanbergite, zeolites, hematite. Distribution: From Qingtian, Chekiang Province...Province, China. Name: From the Chinese luni, for the chlorite group, representing cookeite; jian, a connective; |  | | Book | | .............................. Kaolinite and Halloysite ...............................................and pointed out the prevalent distribution of halloysite minerals in the samples studied. Attention should...Robinson (1948) analyzed the line profiles of halloysite (7A). Subsequently, studies on the disordered...diffraction studies of a sample of “Hong Kong kaolin” (halloysite (7A)) and reported the following significant...structures, which appeared to be higher than that of halloysite. (3) The c-parameter was doubled, so that the |  | | Journal (article/letter/editorial) | | minerals: dickite, halloYsite models illustrating Eurangeand hydrated halloYsite' crysment and packitrg...structure "of clay minerals: dickite, halloysite and hydrated halloysite ..170,295 and Jefferson, M. E. Crys=...vermiculite-chlorites. . 851 Structures of kaolin a:rd talc-pyrophyllite hydrates and tleir bearing on the water sorption...754 851 9t2 structures of kaolin and talc-pyrophyllite hydrates and their bearing on water sorption...rologic sfudy of San Juan reKaolin and talc-pyrophyllite hygion, Colo, Orthoclase and drates, structure |  | KOH, Sang-Mo, TAKAGI, Tetsuichi, KIM, Moon-Young, NAITO, Kazuki, HONG, Sei-Sun, SUDO, Sadahisa (2000) Geological and Geochemical Characteristics of the Hydrothermal Clay Alteration in South Korea. Resource Geology, 50 (4) 229-242 doi:10.1111/j.1751-3928.2000.tb00072.x | Journal (article/letter/editorial) | | Abstract: Hydrothermally altered areas forming pyrophyllite-kaolin-sericite-alunite deposits are distributed...are closely related to cauldrons. Paleozoic clay deposit occurs in the contact zone between Precambrian...Chonnam clay deposits are alunite, kaolin, quartz, pyrophyllite and diaspore which were formed by acidic solution...Kyongsang clay deposits are sericite, quartz and pyrophyllite which were formed by weak acid and neutral solution...39.7 to 79.4 Ma, respectively. The Daehyun clay deposit in Ponghwa area of Kyongsang province shows the |  | | Journal (article/letter/editorial) | | (I) a güuge day from the pyrophyllite deposit near Stem, Grall\'ille County, N. c.; (2) the colloid from...and (3) the colloid from the Mayodan soil, Stokes County, N. C. The gouge day represents a soil containing...even under vacuum; this is characteristic of halloysite. ßoth the tempnature and the intensity of the...925°C to 820°C. , ~. I~ I Ma!jodm soi/ Sioires County. Ne FIGURE 3. - X-ray pattern and thermograms |  | | Journal (article/letter/editorial) | | of the important pyrophyllite-diasporedepositsin Japan. The area near the ore deposit consists of fine...these rocks are coveredby a lava flow. The ore deposit occursalong the boundary zone betweenthe porphyrite...cemented by pyrophyllite. About eighty specimenswere coilectedin the area inciuding the ore deposit, and the...confirmedminerals are diaspore,pyrophyllite, quartz, sericite, kaoiinite, halloysite, montmorillonite, and pyrite...with regard to ttre distributions of diaspore,pyrophyllite, and kaolin minerals.The center of the zonal |  | | Report (issue) | | . . ALAMANCE COUNTY 5 5 Pyrophyllite ...... f .......... 5 ALEXANDER COUNTY ................. 9 ALLEGHANI COUNTY 1± Manganese ....... f 11 Barite , 11 Copper . 11 ASHE COUNTY. . . . Copper...Staurolite AVERY COUNTY . . ......... 13 13 13 . 13 Iron and Epidote BUNCOMBE COUNTY Garnet ...........13 Moonstone and Associated Minerals 15 BURKE COUNTY 15 Corundijin 15 Itacolumite 15 Toiirmaline...Amethyst f . , 4 .18 CABARRUS COUNTY 18 Minerals of the Cabarms County Mines 18 CALDWELL COUNT! 18 Pyrite |  | | Journal (article/letter/editorial) | | Triassic age occurring at Milltown in Somerset county, New Jersey. The crystal forms are those of glauberite...STRUCTURE OF'TIIE CLAY MINERAIS, DICKITE AND HALLOYSITE BV STERLING B. EENDRICKS Dickite, Al2Oa'2SiOr'2H2O...(1932)) is possibly correct save for this detail. Halloysite, Alzos 2Sioz 4HzO, . Mehmel M. by observed as...AT OREANA' NEVADA BY PAUL I. KERR The tungsten deposit at Oreana, Nevada, exhibits a number of characteristics...show the same phenomenon. HARMOTOME FROM DELAWARE COUNTY, PENNSYLVANIA, A BARIUM ZEOLITE OF HYDROTHERMAL |  | | Journal (article/letter/editorial) | | parts of the alteration aureoles are: I. H-type, pyrophyllite ~ dickite ~ 2M2 mica ~ sudoite ~ tosudite; and...§ 11 fIi%l Ito pyrodastic flow deposit Ata pyroclastic flow deposit Middle-Nansatsu volcanic rocks Pre...rock a III o illIIIIJ § Tosudite zone Pyrophyllite zone m Dickite zone li)\J Rectorite zone...alteration aureoles: 1. H-type, silicified rock .... pyrophyllite ..... dickite ..... 2M2 mica ..... sudoite ...volcanic area Table I. Chemical analyses of pyrophyllite. 9.26..0. 599 4.62..0. 3 . 0741>. 2 Si0 |  | | Journal (article/letter/editorial) | | from the text by simply using the code of each deposit in the chart. This code can be created by combining... . . . . 3.4. Metamorphic chromium (gemstone) deposit . . . . . . . . . . . 3.5. Chromium supply and... . . . . . . . . 11.3. Structure-bound copper deposit . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . 51.2.2. Talc-pyrophyllite . . . . . . . . . . . . . . . . . . . . 51.2... . . . . . . . . . . . . . . . 51.3.2. Talc-pyrophyllite . . . . . . . . . . . . . . . . . . . . 51.3 | | | Journal (article/letter/editorial) | | from the text by simply using the code of each deposit in the chart. This code can be created by combining... . . . . 3.4. Metamorphic chromium (gemstone) deposit . . . . . . . . . . . 3.5. Chromium supply and... . . . . . . . . 11.3. Structure-bound copper deposit . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . 51.2.2. Talc-pyrophyllite . . . . . . . . . . . . . . . . . . . . 51.2... . . . . . . . . . . . . . . . 51.3.2. Talc-pyrophyllite . . . . . . . . . . . . . . . . . . . . 51.3 |  | | Report (volume) | | TRIOCTAHEDRAL 1:1 PHYLLOSILICATES SW ABAILEY TALC, PYROPHYLLITE, AND RELATED MINERALS B.W. EVANS & S. GUGGENHEIM...SELECTED KAOLIN DEPOSITS HYDROTHERMAL KAOLIN DEPOSITS China; Italy; Japan Mexico; United States 75 RESIDUAL...KAOLIN DEPOSITS 75 76 78 78 Argentina; Australia China; Czechoslovakia; USSR; South Africa MIXED HYDROTHERMAL...Estimates of mineral-water fractionations Kaolinite Pyrophyllite Gibbsite; Smectite, mixed-layer illite/smectite...Chapter 8 B.W. Evans & S. Guggenheim TALC, PYROPHYLLITE, 225 INTRODUCTION 225 General AND vi RELATED |  | | Book | | Chromite Clays 41 190 Pumice & scoria 52 Pyrophyllite 205 217 220 62 Corundum &emery Rare-earth...in British Columbia is derived from the Cassiar deposit, on the northwest flank of Mt. McDame in the Cassiar...of tension release and cooling (genesis of the deposit is thought to be similar to that described for...Vermont Asbestos Group Inc. at Lowell, Orleans County, where around 30,000 tons/year of asbestos fiber...and diffuse. Unaltered Copperopolis, Calaveras County, in 1987, KCAC sole asbestos producer in California |  | | Report (issue) | | the Carolina slate belt The Brewer porphyry gold deposit General geology of the Pilot Mountain — Fox Mountain...porphyry gold system High—alumina deposits in Moore County Other deposits in North Carolina Origin and significance...Chesterfield County, South Carolina Figure 6.--Hydrothermal alteration at Pilot Mountain, Randolph County North...tables Table 1.--Metals associated with selected pyrophyllite deposits— Table 2.--Rapid rock analysis of topaz—rich...or all of the minerals kaolinite, sericite, pyrophyllite, and rutile, and locally abundant disseminated |  | | Report (volume) | | the Carolina slate belt The Brewer porphyry gold deposit ---------------------------------------------------------General...porphyry gold system High-alumina deposits in Moore County -----------------------------------------------Other...Hydrothermal alteration at the Brewer mine, Chesterfield County, South Carolina ------------------------------------------6...Hydrothermal alteration atPilot Mountain, Randolph County, North Carolina ------------------------------... 3. 4. 5. Metals associated with selected pyrophyllite deposits -------------Rapid rock analysis of |  | | Journal (article/letter/editorial) | | smectite group, chlorite, illite, kaoline group, pyrophyllite, biotite) are pivotal for extrapolating important...±alunite Intermediate argillic 4.5–6 <200 ◦ C Pyrophyllite alunite High-T advanced argillic 2–4 200–300...[Al4 Si4 O10 (OH)8 ] group minerals (kaolinite, halloysite, dickite, and nacrite) are the key minerals of...hydrothermal alteration [45]. 3.3. Pyrophyllite Group Pyrophyllite [Al4 Si8 O20 (OH)4 ] can be considered...alteration at the Phelps Dodge massive sulfide deposit, Matagami, Quebec. Econ. Geol. 1987, 82, 1898–1911 |  | | Book | | System..................................... Central Deposit and Altered Wall Rocks ....... Fluid Injection...tend to deposit gravel (the coarse fraction) while lakes and streams on the flatter areas deposit sand and...structural variation) of kaolinite. AI2Si2 0 s( OH)4 Halloysite has the same composition and structure as kaolinite...and octahedral occupancy Neutral Dioctahedral Pyrophyllite (AI) Trioctahedral Talc (Mg) Low charge High...The basic 10 A layers slide over one another. Pyrophyllite, AI2Si40lQ(OH)2' This mineral has Al in the |  | | Report (issue) | | _________________________________ Andalusite-pyrophyllite-quartz deposits ______. Deposits in micaceous...Slate __ . Halifax County Other localities North Carolina Hagers Mountain, Person County.- _.______ Corbett...Corbett deposit, Johnston County Burnsville-Swannanoa area, Buncombe, Yancey, and Mitchell Counties ________...________ ____ Rutherford County Other localities North Carolina-South Carolina Kings Mountain district, Cleveland...Cleveland, Gaston, and Lincoln Counties, N.C., and York County, S.C. ._ __-__ ____ --- ---General geology Rock |  | | Journal (article/letter/editorial) | | Indian Queen mine ca. 1905 at Farlin, Beaverhead County. 208 ROCKS & MINERALS Downloaded by [University...mines at Butte in Silver Bow County and the Black Pine mine in Granite County have produced many fine crystal...Beaverhead County, the pegmatites of Jefferson County, and the Snowbird mine in Mineral County continue...Highlands Centennial Nugget in 1989 in Silver Bow County. The seventh largest gold nugget found in Montana;...sent to the author. LOCATIONS BY COUNTY Beaverhead County Anderson deposit, sec. 16, T. 12 S., R. 11 W.; |  | | Book (edition) | | Lepidolite, Zinnwaldite 181 Stilpnomelane 199 Pyrophyllite 202 Talc 204 Chlorite Group 208–215 Clinochlore... H.V., 1928, Amer. Min., 13, 3849). 2 Zircon, China (Su, H-T. & Pan, T-M., 1973, Geochimica, 93, 102)...eclogites of the Dabie Mountains, east-central China: implications for the dating of ultrahigh pressure...altered gabbro, Hunting Hill quarry, Montgomery County, Maryland (Larrabee, D.M., 1969, Bull. US Geol...alteration products include muscovite and sericite, pyrophyllite, kaolinite and montmorillonite. Under conditions |  | | Journal (article/letter/editorial) | | 006 0-82 3-75 1000 1. Rawlinsville, Lancaster County, Pennsylvania, U.S.A. Hietanen (1951, p. 867)....been omitted from the calculations. 5. Chatham County, North Carolina, U.S.A. Genth (1873, p. 399). Although...quantities of pyrophyllite. 6. Indian Grave Mountain near Bull Mountain, Patrick County, Virginia, U.S...in the analysed material. 12. Liberty, Frederick County, Maryland, U.S.A. U.S. Ceol. Surv. Bull., No. 113...to account for quartz inclusions. 19. Dutchess County, New York, U.S.A. Barth & Balk (1934, p. 348). |  | | Book (edition) | | Back cO\·erphoto: Wolframite. 45 mm. Yaogangxian, China, H Page 1: MuscO\ite. 45 mm, Linopolis, Brazil,...abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept...Uintah County. Utah. and m (2.B. acanthite group). Monoclinic, C2/m, a,b,c Rio Blanco County. Colorado..., Bavaria. both Germany, and from the Rabejac deposit, Herault dept.. France.AM 49. 1578-1602, 1964....Mts., near Hotan, Xinjiang Uygur Autom. region, China, also at Fengtien, Taiwan. Green at Ospinskoye and |  | Kogel, Jessica Elzea, Trivedi, Nikhil C., Barker, James M., Krukowski, Stanley T. - Eds. (2006) Industrial Minerals and Rocks (7th ed.) Society for Mining, Metallurgy, and Exploration, Inc., Littleton, CO. | Book (edition) | | . . . . . . . . . . . . . . . . . . . . . . Pyrophyllite . . . . . . . . . . . . . . . . . . . . . ....ong con suming industries, and the emer gence of China and India as major players in industrial minerals...“w asting asset,” so eventually an indi vidual deposit becomes depleted and new ones must be found or...“place v alue”; tha t i s, the loc ation of th e deposit is vitally important because the cost o f transportation...individual lar ge stones easily held in one han d. Deposit location is less critical and product qu ality |  | | Report (issue) | | DEPOSITS OP BARSTOW QUADRANGLE SAN BERN.ABDINO COUNTY. CAIJFOBNIA Bulleln 16.§ 1954 - - """' DIVISION~OF...deposits of Barsto,1 qu,idrangle, San Bernardino county, California. coo.l - (., ,. °1'- MOUNT SHASTA...DEPOSITS OF BARSTOW QUADRANGLE SAN BERNARDINO COUNTY, CALIFORNIA By OLIVER E. BOWEN, JR. and THERMAL... ganister (quartzite), barite, 1nagnesitt•, pyrophyllite, mica-quartz fillers and ornan1ental stone such...Geologic 1nap of Barsto,v qnadrangle, San Bernard ino County, California __ _ _ __ _____________ Ill pol.'.ket |  | | Book | | Italy (19), Canada (16), People's Republic of China (11), and France (10). These numbers do not necessarily...although for Russia and the People's Republic of China most of the authors of descriptions of minerals...may be a rock type or a geological zone within a deposit. Under "Associated minerals," I have tried to include...Namibia New Zealand Norway People's Republic of China Portugal Republic of Macedonia Republic of South...Poudrette Quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada. Occurrence: A single crystal (coated |
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