 | | Journal (article/letter/editorial) | | SMECTITE-TO-DISORDERED KAOLINITE TRANSITION IN A TROPICAL SOIL CHRONOSEQUENCE, PACIFIC COAST, COSTA RICA G. B URCH...fluvial fill terraces in the humid tropics of Costa Rica display progressive changes in mineral assemblage...predominantly smectite with lesser amounts of disordered kaolinite. B horizons in 5 to 10 ka soils consist of sub-equal...and disordered kaolinite, and soils on 37ÿ125 ka terraces consist of disordered kaolinite with only traces...assemblage in 410 ka terrace soils to a disordered kaolinite-goethite-hematite-quartz-magnetite assemblage |  | | Report (issue) | | ........... Districts in the Valley and Ridge province Ferruginous bauxite in Washington, Oregon, and...America .................................... Costa Rica ...................................... Honduras.... (Roy Chowdhury, 1965, p. 14-15). East Coast province ...... (Bharat Aluminium Co., 1977). Indonesia...20-22 2.5-3 25± Gibbsite, SiO2 is mainly in kaolinite. Most deposits are boehmite; some are mixed with... 2.5-2.7 13.0 Mainly boehmite; SiO2 is in kaolinite. 1Average composition estimated by U.S. Bureau |  | Sak, Peter B., Fisher, Donald M., Gardner, Thomas W., Murphy, Katherine, Brantley, Susan L. (2004) Rates of weathering rind formation on Costa Rican basalt 1 1Associate editor: E. H. Oelkers. Geochimica et Cosmochimica Acta, 68 (7) 1453-1472 doi:10.1016/j.gca.2003.09.007 | Journal (article/letter/editorial) | | 2003.09.007 Rates of weathering rind formation on Costa Rican basalt PETER B. SAK,1,*,† DONALD M. FISHER...and Qt 3) preserved along the Pacific coast of Costa Rica. Mass balance calculations suggest that conversion...augite) to authigenic minerals in the porous rind (kaolinite, allophane, gibbsite, Fe oxyhydroxides) is iso-volumetric...augite and the growth of kaolinite, with subsequent dissolution of kaolinite and precipitation of gibbsite...mol K m⫺2 s⫺1. The rate of rind advance for the Costa Rican terraces is 2.8 ⫻ 10⫺7 m yr⫺1. Basalt rind |  | | Report (issue) | | Se66b Costa Rica. Direccion de Geologla, Minas y Petroleo. Mapa de recursos minerales de Costa Rica. [San...Investigation of earthquake response of long buildings. [Los Angeles, CAJ : University of Southern California, Dept...seismic intensity in the Balkan countries. [Los Angeles, CA] : University of Southern California, Dept...GUINEA ENGA (PROVINCE) . Warren, E. Site investigation for Anditale mini-hydroscheme Enga Province. [Port... ENGINEERING GEOLOGY PAPUA NEW GUINEA--SIMBU (PROVINCE). Buleka, Joe B. Stability investigation into |  | | Journal (issue) | | Prices subject to change without notice. F.O.B. Los Angeles Add postage and ... lnsurence. Add ..1es tax...Design PENDANT with dainty chain 12x10 S 5.70 LOS ANGELES, CALIFORNIA 90042 Karet Gold prices ere fixed...Antonio, Texas 78228 FIELD TRIPS Rockhounding in Costa Rica, Part 2 by Rawleigh H. Ralls . . ..... .. . ...2 and 3. Los Alamos Geological Society. "Fourth Annual Earth Treasure Show." Rec. Hall, Los Alamos, N...and 10-6. Ed. Wortman, Frank Miley, P.O. Box 762, Los Alamos 87544. Dealers, demonstrations. Dec. 2 and |  | | Report (issue) | | By JOSEPh t^4Ara^ % University of California, Los Ange And ROBERT W. WEBB University of California...Murdoch University of California, Los Angeles 24, California Los Angeles Robert W. Webb University of... Ubehebe quadrangle, McAllister (4) p. 52. Los Angeles County: Additional reference, Patchick (2) p...DIVISION OP MINES [Bull. 173 ANALCIME— Analcite Los Angeles County : 5, A specimen of analcime crystals perched...Mining Lease near Dovle ( S. M. B. 21658). Los Angeles County: 1, Autunite with other secondary uranium |  | | Journal (article/letter/editorial) | | Saulo Batista de Oliveira,1,† Marcondes Lima da Costa,2 and Hélcio José dos Prazeres Filho1 1Votorantim...Al2O3 (available) in the world-renowned Amazon Province, northern Brazil. The mineral resource is part...gibbsite in addition to goethite, hematite, and kaolinite. In general, the ore has high concentrations of...of other world-class bauxite deposits in this province, such as Trombetas, Juruti, and Paragominas. The...Paragominas (Kotschoubey et al., 2005), and Juriti (Costa et al., 2014) deposits. This lateritic profile hosting |  | | Journal (article/letter/editorial) | | journalCode=tigr20 Download by: [University of California, Los Angeles (UCLA)] Date: 22 June 2016, At: 00:59 Results...Koryakin Downloaded by [University of California, Los Angeles (UCLA)] at 00:59 22 June 2016 The knowledge...Muojdrvi). Downloaded by [University of California, Los Angeles (UCLA)] at 00:59 22 June 2016 The minerals of...974 Downloaded by [University of California, Los Angeles (UCLA)] at 00:59 22 June 2016 A.S. KORYAKIN...represents the product of the metamorphism of kaolinite, developing during pre-Jatulian weathering of |  | | Report (issue) | | Valley and Franciscan Strata, Santa Maria Basin Province, California Geophysical section offshore Santa...Valley and Franciscan Strata, Santa Maria Basin Province, California By RICHARD M. POLLASTRO, HUGH MCLEAN...BASINS/ONSHORE OIL AND GAS INVESTIGATIONSSANTA MARIA PROVINCE Edited by Margaret A. Keller U.S. DEPARTMENT...Valley and Franciscan strata, Santa Maria Basin Province, California / by Richard M. Pollastro, Hugh McLean...basins/onshore oil and gas investigations Santa Maria Province ; ch. H, I) "Chapters H and I are issued as a |  | | Journal (volume) | | Offices State Building, 217 West First Street, Los Angeles 12 Third Floor, State Office Bldg. 1, Sacramento...Division. Publications are also sold at the Los Angeles, Sacramento, and Redding branch offices. In addition...Coal Oil and gas Biogeochemical prospecting Los Angeles branch office Sacramento branch office Redding..."schoolite" sets 58 Graph showing activities of the Los Angeles office, 1952-57 State Mineralogist and Chief...Division are located in Los Angeles, Sacramento, and Redding. The largest, in Los Angeles, is located in the |  | | Report (issue) | | Little Antelope Valley district and of theoretical kaolinite Semiquantitative spectrochemical analysis of clay...Estimates of chemical composition of kaolin in Costa Rica Page 3 8 12 20 22 23 27 31 35 39 42 43 44 44...present represent impurities or adsorbed materials. Kaolinite is the mineral that characterizes most kaolins...Dickite and nacrite are two polymorphic forms of kaolinite that can be characterized in terms of two crystallattice...vacant octahedral site in successive layers. Kaolinite and dickite have the same interlayer shift of |  | | Report (issue) | | YERKES, and D. M. KINNEY GEOLOGY OF THE EASTERN LOS ANGELES BASIN, SOUTHERN CALIFORNIA GEOLOGICAL , ..,...Silverado Formation. ~age FIGURE Outline map of Los Angeles basin --------------------------------------...9 14 19 23 30 /4 / GEOLOGY OF 1HE EASTERN LOS ANGELES BASIN, SOU1HERN CALIFORNIA GEOLOG)'" OF THE...thicken slightly westward toward the subsiding Los Angeles basin, though both thickening and subsidence...San Joaquin Hills to the south and southwest, the Los Angles basin to the west, the Puente Hills to the |  | | Book (edition) | | (cont'd). Giaphite— Halloysite . Hematite . Kaolinite . Limonite . Common name. Remarks. Stewart's...smaller ornaments. Placer and Butte counties. Los Angeles, San Luis Obispo, Santa Barbara, and Santa Cruz...Placer, San Luis Obispo, Amador, Napa, Fl Dorado, Los Angeles, and other counties. Quarried for coping and...counties. Shipped to the eastern States. Contra Costa, Placer, and El Dorado counties. Used for pot tery...deposit at Dos Palmas, San Diego county. Contra Costa, Sau Diego, and Fresno counties. Lignite Coal Cedar |  | | Journal (issue) | | (949) 494-0402 Photo by Harold and Erica Van Pelt, Los Angles Open Tues.-Sat. 10-5. (Closed Sun.-Mon.) Note:...Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino Royal Ontario Museum...Scovil Phoenix, AZ Harold and Erica Van Pelt Los Angeles, CA May–June 2002 Volume Thirty-three, Number...Zinn Expositions Tucson, Denver, Springfield and Costa Mesa Shows! www.mzexpos.com e-mail: mz0955@aol.com...near-finest known specimens Natural History Museum of Los Angeles County Fax: (213) 749-4107 Website: http://nhm |  | | Book | | Wasson, vi PREFACE University of California, Los Angeles, who helped with the meteorites secwho provided...the California Division of Mines and Geology Los Angeles Office, who provided review; and finally, Marge...species. The Coast Desert provinces have Ranges province, dominated by the Franciscan formation and associated...oxidation products. And from the Peninsular Ranges province have come the numerous pegmatitic and associated...reported from San Ysidro, San Arizona. 1828; from Los Angeles County, San Francisquito Canyon, in in Then | | | Book | | Wasson, V vi PREFACE University of California, Los Angeles, who helped with the meteorites section; Richard...the California Division of Mines and Geology Los Angeles Office, who provided state publications for review;...abundant borate and saline species. The Coast Ranges province, dominated by the Franciscan formation and associated...oxidation products. And from the Peninsular Ranges province have come the numerous pegmatitic and associated...San Ysidro, San Diego County, in 1828 ; from Los Angeles County, San Francisquito Canyon, in 183 5; and |  | | Report (issue) | | eastern part of the Santa Monica Mountains, Los Angeles County, Calif., by H. W. Hoots____________ Geology...part of the residential district of western Los Angeles, Calif_____________ 134 33. Subsurface structure...________________________ _ 39. A, Small vermicular crystals of kaolinite from Franklin, N. C.; B, Dickite crystals from...National Belle mine, Red Mountain, Colo.; C, Kaolinite crystals (leverrierite) from Quartier Gillard...Gillard, near St.-Etienne, France; D, Kaolinite crystals from Mokelumne River, Calif_ _____________________ |  | | Report (issue) | | eastern part of the Santa Monica Mountains, Los Angeles County, Calif., by H. W. Hoots____________ Geology...part of the residential district of western Los Angeles, Calif_____________ 134 33. Subsurface structure...________________________ _ 39. A, Small vermicular crystals of kaolinite from Franklin, N. C.; B, Dickite crystals from...National Belle mine, Red Mountain, Colo.; C, Kaolinite crystals (leverrierite) from Quartier Gillard...Gillard, near St.-Etienne, France; D, Kaolinite crystals from Mokelumne River, Calif_ _____________________ |  | | Report (issue) | | eastern part of the Santa Monica Mountains, Los Angeles County, Calif., by H. W. Hoots____________ Geology...part of the residential district of western Los Angeles, Calif_____________ 134 33. Subsurface structure...________________________ _ 39. A, Small vermicular crystals of kaolinite from Franklin, N. C.; B, Dickite crystals from...National Belle mine, Red Mountain, Colo.; C, Kaolinite crystals (leverrierite) from Quartier Gillard...Gillard, near St.-Etienne, France; D, Kaolinite crystals from Mokelumne River, Calif_ _____________________ |  | | Report (issue) | | eastern part of the Santa Monica Mountains, Los Angeles County, Calif., by H. W. Hoots____________ Geology...part of the residential district of western Los Angeles, Calif_____________ 134 33. Subsurface structure...________________________ _ 39. A, Small vermicular crystals of kaolinite from Franklin, N. C.; B, Dickite crystals from...National Belle mine, Red Mountain, Colo.; C, Kaolinite crystals (leverrierite) from Quartier Gillard...Gillard, near St.-Etienne, France; D, Kaolinite crystals from Mokelumne River, Calif_ _____________________ |  | | Report (issue) | | eastern part of the Santa Monica Mountains, Los Angeles County, Calif., by H. W. Hoots____________ Geology...part of the residential district of western Los Angeles, Calif_____________ 134 33. Subsurface structure...________________________ _ 39. A, Small vermicular crystals of kaolinite from Franklin, N. C.; B, Dickite crystals from...National Belle mine, Red Mountain, Colo.; C, Kaolinite crystals (leverrierite) from Quartier Gillard...Gillard, near St.-Etienne, France; D, Kaolinite crystals from Mokelumne River, Calif_ _____________________ |  | | Report (issue) | | eastern part of the Santa Monica Mountains, Los Angeles County, Calif., by H. W. Hoots____________ Geology...part of the residential district of western Los Angeles, Calif_____________ 134 33. Subsurface structure...________________________ _ 39. A, Small vermicular crystals of kaolinite from Franklin, N. C.; B, Dickite crystals from...National Belle mine, Red Mountain, Colo.; C, Kaolinite crystals (leverrierite) from Quartier Gillard...Gillard, near St.-Etienne, France; D, Kaolinite crystals from Mokelumne River, Calif_ _____________________ |  | | Journal (issue) | | Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, California 90007, USA...SILICATES Apophyllite Chrysocolla Hemimorphite Kaolinite Muscovite Quartz (K,Na)Ca4Si8O20(OH,F)8H2O (Cu...(Mindat.com). 1) Goble, Oregon (type locality) 2) Costa Rica 3) Antarctica 4) New Zealand 5) Hungary 6) Czech |  | | Report (issue) | | chlorite from kaolinite (Biscaye, 1964), which was not routinely possible. So, kaolinite and chlorite...are 4 times the illite peak area, 2 times the kaolinite + chlorite peak area, and 1 times the smectite...CITED Biscaye, P.E., 1964. Distinction between kaolinite and chlorite in recent sediment by Xray diffraction...Search Words: Clay mineralogy, illite, smectite, kaolinite, chlorite, expandable layers, Southern California...k+c, and 1 times the smectite peak areas; K+C = kaolinite + chlorite; LCMC = low clay mineral content 8 |  | | Journal (issue) | | leicht@kristalle.com Photo by Harold and Erica Van Pelt, Los Angles Publisher & Editor-in-Chief Wendell E. Wilson...Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino Royal Ontario Museum...Scovil Phoenix, AZ Harold and Erica Van Pelt Los Angeles, CA Librarian Curtis P. Schuh Founder John Sampson...feet) in the eastern Andes Mountains in Bustillo Province, northern Potosí department, Bolivia. It is located...March–April, 2006 Natural History Museum of Los Angeles County; see Jones, 1973). Bandy published the |
|
