 | | Journal (article/letter/editorial) | | GRAND, ISLE: L Jirrwowwux/ lot* llMt UK* U'A VERMONT Mineral Locality Index VANDALL T. K I N G P.O....Massachusetts 01776 MASSACHUSETTS Figure J. Vermont political divisions map; adapted from U.S. Geological...of New Hampshire and Vermont (1972). 324 ROCKS & MINERALS he state of Vermont is relatively small,...ry in the world is in Rochester (Windsor Co.), Vermont. Min eral products mined "as is" for their final...maintained. (The disuse of cobblestone roads prevents Vermont from being a giant mining state today, but in the |  | | Journal (article/letter/editorial) | | August 2015 Amethyst Discovery on Stow, Oxford County, Maine WOODROW B. THOMPSON Maine Geological Survey...the best-known localities are situated in Oxford County in the southwestem part of the state. These are...in Stow. Other amethyst deposits occur in Oxford County, but they are either insignificant in terms of...approximate date has been given as 1920 (Oxford County Mineral and Gem Association Yearbook No. 2, 1949)...1949) and 1930 (Perham 1987). The Oxford County Yearbook describes the Nevel prospect as being “on the |  | | Journal (article/letter/editorial) | | suiteto a mixtureof quartz, topaz, sericite, and kaolinite. Introduction F. P. Boa Nova (1929) examinedthe...and kaolinite. He thought,on the basisof their conclusions During 1967-68 both the Boa Vista mine and...competent andgenerally more The topaz occurs with kaolinite, quartz, spec- (metagraywacke) than the sericitephyllitemembers...right-lateral displacement and in a sericite Sabar/t. In the mine areas the unmineralized serikaolinitephylor muscovite-richbed...SKETCH e•• .... CROSS 629 SECTION BOA VISTA MINE ... RODRIGO SILVA,M.G.,BRAZIL SCALE O , , |  | | Report (chapter) | | Breathitt Group (Pennsylvanian), eastern Kentucky, USA J O H N F. A I T K E N 1 & S T E P H E N S. F L...(Jervey 1988; Posamentier et al. 1988; Posamentier & Vail 1988; Van Wagoner et al. 1990) have been extensively...deposits of the Breathitt Group, eastern Kentucky, USA, illustrating the variable nature of such surfaces...the Blackhawk Formation of the Book Cliffs, Utah, USA, are characterized by thin coals and carbonaceous...interfluvial sequence boundaries have been described from County Clare, Western Ireland, by Davies & Elliott (1996) |  | | Journal (article/letter/editorial) | | STRATIGRAPHY AND STRUCTURE OF THE OAK HILL SUCCESSION IN VERMONT BY VERNE H. BOOTH CONTENTS Abstract Introduction...Plate Facing page 1. Sketch map of northwestern Vermont and 1. Geologic map and structure sections of southern...Peak, Milton, Mt. Mansfield and Vermont 1135 Burlington quadrangles, Vermont 1131 2. Structures 1144 3. Photomicrographs...source for the sediNorth of the Winooski River, Vermont, the Oak ments and also that the sea was encroaching...the are traceable southward into west-central Vermont. southern part of the area. Northward it fades |  | | Report (volume) | | are in pocket) PLATE 1. Geologic map of Latah County clay deposits. 2. A, Columnar sections of the Olson...thermal determinations on these clays show that kaolinite and halloysite (hydrated) are the principal clay...intrusive rocks contains both halloysite and kaolinite, and the transported clay is predominantly kaolinitic...this tonnage is in four major deposits in Latah County, Idaho: Bovill clay deposit, Olson high-alumina...examined briefly. Some of the clay deposits in Latah County, Idaho, partly surround the Palouse Range. GEOLOGY |  | | Report (issue) | | University of Vermont BURLINGTON. VT.: FREE PRESS PRINTING 1924. Co. CONTENTS. STAFF OF THE VERMONT GEOLOGICAL...of Vermont. ELBRIDCE C. JACOBS, Assistant Geologist. Professor Mineralogy, University of Vermont. CITA1ILES...PAGE ç ' LIST OF ALTITUDES IN VERMONT, /GEOLOGY OF GRAND ISLE COUNTY, THE OLDEST CORAL REEF, P. E.... TERRANES OF BETHEL, VERMONT, PERKINS .................... G. H. PERKTNS .................... 63...SUCCESSION IN NORTHWESTERN VERMONT, ARTHUR KEITH. NEW TRILOBITES FROM VERMONT, 1 G. H. P. E. RAYMOND |  | | Report (chapter) | | 35662, USA 2 Department o f Geology, University o f Florida, Gainesville, Florida 32611, USA Abstract:...in North Carolina is undertaken at the Lee Creek mine in the Aurora area on the south shore of the Pamlico...lyellcollection.org/ at Université Laval on July 11, 2015 SE USA AND TOGO PHOSPORITES 141 Fig. 2. Major structural...lyellcollection.org/ at Université Laval on July 11, 2015 SE USA AND TOGO PHOSPORITES clay and phosphorite ( 1 5 -...average of about 5 m of overburden is removed to mine an average of about 5 m of combined Bone Valley |  | | Journal (article/letter/editorial) | | such a~ granites or sandstones, have quartz and kaolinite (or more aluminous minerals) as major components... (Cleary and Conolly, 1971), quartz-hematite-kaolinite sediments overlying bauxite and laterite in Surinam...the saprolite comprises or has an upper part of kaolinite and quartz, the Eocene Ione Formation of California...sediments, sericite is believed to have formed from kaolinite through metasomatism by K-rich groundwater (Eriksson...soils and sediments into the stability field of kaolinite, so promoting the solution of K-feldspar. Thus |  | | Report (volume) | | Swift Creek Mine 28 6. Suwannee River mine 29 7. Noralyn Mine 30 8. Gardinier (Cargill) mine 31 9. Nichols...Nichols mine 32 10. Ft. Meade mine 33 11. Clear Springs mine 34 12. C.F. Hardee complex 35 13. Ft. Green...Green mine 36 14. Saddle Creek mine 37 15. Lonesome mine 38 16. Watson mine 39 17. Phosphoria mine 40 18...18. Rockland mine 41 Contents Ill 19. 20. 21. 22. 23. Haynsworth mine 42 Lonesome mine 43 Hookers Prairie...Prairie mine 44 Four Corners mine 45 Kingsford mine 46 TABLES 1. Average grain sizes of samples of the |  | Metcalf, S.J., Vaughan, R.F., Benton, M.J., Cole, J., Simms, M.J., Dartnall, D.L. (1992) A new Bathonian (Middle Jurassic) microvertebrate site, within the Chipping Norton Limestone Formation at Hornsleasow Quarry, Gloucestershire. Proceedings of the Geologists' Association, 103 (4) 321-342 doi:10.1016/s0016-7878(08)80129-0 | Journal (article/letter/editorial) | | pass eastwards into Stamford Member sands of the Rutland Formation (formerly the Upper Estuarine Series:...x-ray diffractometry, is composed of illite and kaolinite. The illite is rather poorly crystalline, giving...humid weathering. Similarly, the abundance of kaolinite also suggests weathering in a humid climate. Petrographic...crystallinity of the illite and relative abundance of kaolinite suggests humid weathering within a comparatively...showing a narrower peak on the XRD trace, and kaolinite relatively less abundant. These factors suggest |  | | Journal (article/letter/editorial) | | Sciences, Saint Louis University, St Louis, MO 63103, USA c State Key Lab for Geological Processes and Mineral...the juvenile continental crust at about 550 Ma (Vail, 1985; Greiling et al., 1994). Banded Iron Formations...the index for OH-bearing minerals, KLI is the kaolinite index, ALI is the alunite index, and CLI is the...of the OH-bearing minerals including alunite, kaolinite, muscovite and montmorillonite from the SWIR surface...identify the four alteration minerals (alunite, kaolinite, Fig. 8. Average spectra for altered (mineralized |  | | Report (volume) | | origin of the Ely copper deposit, east-central Vermont By Terry W. Offield, John F. Slack, and Sarah A...silver, mercury, copper, and palladium in Lemhi County, east-central Idaho By George A. Desborough, William...Magnetic and gravity study of Desert Mountain, Juab County, Utah: Utah Geological and Mineralogical Survey...West Tintic mining district and vicinity, Juab County, Utah: Salt Lake City, University of Utah, unpub...Geology of the Desert Mountain intrusives, Juab County, Utah: Brigham Young University Geology Studies |  | | Report (issue) | | ............ Accessory minerals ............ Kaolinite and halloysite ..*.«... I7anitef soaps tone, and...Photomicrographs of 23-0 -2pi schist from the Slippery Him mine, Ave^ Co. and 0 -<^-B-Epi gneiss from Boiibleliead...diabase dike in the Slippery iilm mine and a diabase porphyry in the £Lm mine in Avery Co. ................... 42 ?. Muscovite in the vail zone of the pegmatite in tha Meadow mine, Avery Co. ...................diabase dike in the pegsatite and vail rock at the Slippery Sim mine, Arery Co. .................. 1)6 |  | | Journal (article/letter/editorial) | | microfabric (Fig. 7C and D), probably inherited from kaolinite flakes (Si/Al ratio < 1). The remaining soil...et al. / Sedimentary Geology 163 (2003) 67–84 kaolinite, probably mixed originally with smectites, and...dominance of iron hydroxides (80 – 85% in weight), kaolinite, and phosphorus (0.5%). The presence of the latter...in floodplain areas, type 2 unconformities (sensu Vail et al., 1991) are characterized by welldeveloped...primarily fixed on clay minerals, especially kaolinite (Fripiat et al., 1953; Fig. 7C and D). From our |  | | Journal (article/letter/editorial) | | mineralogical break. In pre-Turonian sediments, kaolinite and illite are dominant because of the effect...coarse-grained facies on the continental margin for kaolinite and diagenesis due to lithostatic pressure of...min6ralogique majeure. Avant le Turonien, la kaolinite et l'illite dominent en raison d'une diagen6se...grossiers ddposds en bordure du continent pour la kaolinite et d'une diagen+se due h la pression lithostatique...2) y est domin6 par les smectites (60-80%), la kaolinite, l'illite et la chlorite repr6sentant un faible |  | | Report (chapter) | | the formulation of sequence stratigraphy concepts (Vail et al. 1977; Haq et al. 1987; Hardenbol et al. 1998;...sequences in siliciclastic and carbonate systems (e.g. Vail et al. 1977; Schlager 2005). Although the deep-sea...subaerially exposed shelf into the deep-sea (e.g. Vail et al. 1977; Haq 1991, 1993). Of course, this general...amphibole, Wendler et al. 2016) or hematite, kaolinite and bauxite formation on land may be transferred...infer climate change owing to the formation of kaolinite by strong hydrolysis of silicates under tropical |  | | Journal (issue) | | . ..... 483 W. E. Wilson The Total Wreck Mine, Pima County, Arizona ............ .. ........... ......... .... ..... 507 L. Presmyk The Flux Mine, Santa Cruz County, Arizona .................................. 531 W. E. Wilson & M. Hay The Carlota Mine, Gila County, Arizona ............................. .....District, Mohave County, Arizona ............. .... ..... 569 M. Hay & D. Morris The Bagdad Mine, Yavapai County...L. Muntyan A Dream Pocket at the North Geronimo Mine, October 1996 ............. .... ... . 603 G. Godas |  | Beyer, Steve R., Hiatt, Eric E., Kyser, Kurt, Dalrymple, Robert W., Pettman, Chris (2011) Hydrogeology, sequence stratigraphy and diagenesis in the Paleoproterozoic western Thelon Basin: Influences on unconformity-related uranium mineralization. Precambrian Research, 187 (3) 293-312 doi:10.1016/j.precamres.2011.03.012 | Journal (article/letter/editorial) | | Oshkosh, 800 Algoma Boulevard, Oshkosh, WI 54901 USA c Uravan Minerals Inc., Suite 204-2526 Battleford...occlusion of secondary intergranular macroporosity by kaolinite and muscovite, and minor dickite during later...can help delineate systems tracts (Posamentier and Vail, 1988; Shanley and McCabe, 1991, 1994; Wright and...phyllosilicate minerals during peak diagenesis. Kaolinite cement (K1) was the earliest of these phases and...sudoite fracturing onset of stylolitization kaolinite - K1 muscovite - M1 dickite - K2 incipient chlorite |  | | Report (issue) | | Alteration of feldspar . .... ^ . Montmorillonite and kaolinite bands Sericite band $1 . . . $3 »» $6 ......«... . pocket 5. Geology of the Bunker Hill mine .............. pocket 6* Extent of alteration, W...Plagioclase altered succesively to montmorillonite* kaolinite. and sericite; potassium feldspar altered to sericite...near a vein in the workings of the King Solomon mine (3b)« He concluded that the solutions that had deposited...inaccessible* but similar rocks were found on the mine dump indicating that Knopf f a evidence * should |  | | Journal (article/letter/editorial) | | authigenic minerals have been identified. Quartz kaolinite, calcite, at&rite and albitized piagioclase are...dolomite are present only in trace amounts. Quartx, kaolinite, and ankerite cements are present over the entire...Volumetrically important amounts of authigenic quartz and kaolinite precipitated during early burial before calcite...Vo~umet~cally significant amounts of authi~nic quartz, kaolinite, r&cite. ankerite and albitized plagiociase are...fragments and clay clasts. Authigenic quartz, kaolinite and ankerite occur over the entire depth range |  | | Journal (article/letter/editorial) | | University of Texas at Austin, Austin, TX 78713, USA a r t i c l e i n f o a b s t r a c t Article...but the farthest downdip samples, from Brazoria County (Fig. 1), were deposited in a slope-fan complex...sandstones in the updip part of the study area (Leon County; see Fig. 1) were uplifted in the Oligocene and...estimated 762 m of post-Wilcox erosion in Bastrop County (Fig. 1), that area is on the San Marcos Arch and...may have experienced more erosion than did Leon County (updip area of project samples). Huminite reflectance |  | | Journal (article/letter/editorial) | | totally (preserving only their shape) replaced by kaolinite, which has been transformed into illite (Fig....intense in samples MV-2 and MV4, where kaolinite and illitized kaolinite together correspond to 46% and 35%...12). If all alteration products (kaolinite and illitized kaolinite) are reconsidered as feldspars, these...also observed, as well as calcite and illitized kaolinite cement pore spaces between grains. Lithic fragments...feldspar replacement by kaolinite, and subsequent illitization of kaolinite lead to the development of |  | | Report (chapter) | | 1 7 0 M a first-order depositional sequences of Vail et al. (1977), a n d both facies recurred on a rather...Arthur (1977) plotted along a sea-level curve after Vail et al. (1977). 4. Global abundance. 5. Selected...shales (black). Major unconformities (x x • after Vail and Todd (1981). Sea Level curve after Hallam (1984)...were accompanied by first-order sea-level changes (Vail et al. 1977) as well as by changes in outgassing...range (Arthur & Jenkyns 1981) produced abundant kaolinite that apparently was the precursor of the ferriferous |  | | Report (chapter) | | Louisiana State University, Baton Rouge, LA 70803, USA 3 Key Laboratory of Marine Geology and Environment...University of Massachusetts-Boston, Boston, MA 02125, USA 6 The James Hutton Institute, Craigiebuckler, Aberdeen...Oceanographic Institution, Woods Hole, MA 02543, USA *Corresponding author (e-mail: dengke.hu@yahoo.com)...of Alteration (CIA). Correlation of K/Al and kaolinite/illite indicates that this clay ratio is also...weathering intensity across all sites and timescales. Kaolinite/smectite, and to a lesser extent smectite/(illite |
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