 | | Catalog/List | | Naughton Collection) 11. MEERSHAUM - type of Sepiolite; solid white mass about a large 2x2.5. Nevshehir...stilbite crystals. 4x2 inches overall size £25 Wagholi Quarry, Poona ,India The name reflects the formula of...startling colour contrast. Originally it was found in a quarry while digging a well. 27. BARYTES cut and polished...micro crystals over about a2x2cm surface. Visiano Quarry, Parma, Emilia, Italy) £7.50 31. THORTVEITITE a...Saustal, near Murren Switzerland 2.5x2.5 £3 58. TONALITE pinkish medium grained mass, exactly like "my" |  | | Journal (article/letter/editorial) | | the dominant phase was a magnesian clay such as sepiolite or palygorskite. They based this conclusion on...mixture of quartz, magnesian clay (palygorskite, sepiolite, or perhaps even chlorite) and minor kaolinite...line passes through the ideal compositions of sepiolite and palygorskitehaving the formulae listed on... Beech and Chadwick (1980) proposed that the sepiolite-palygorskite f o r m e d by direct precipitation...especially Ca. Although the concept of a palygorskite-sepiolite precursor provides an appealing explanation for |  | | Journal (article/letter/editorial) | | Ab–Or; 5, Fe and Mg in Granitic Melts; 6, The Tonalite System Qz–Ab–Or–An; 8, Experiments with Natural...the papers (e.g. the contribution on Turkish sepiolite deposits) are surely misplaced in this volume...magmatism. The first paper is a review of Turkish sepiolite deposits. The second paper is one of two describing |  | Fritsch, Emmanuel, Gaillou, Eloïse, Ostroumov, Mikhail, Rondeau, Benjamin, Devouard, Bertrand, Barreau, Alain (2004) Relationship between nanostructure and optical absorption in fibrous pink opals from Mexico and Peru. European Journal of Mineralogy, 16 (5) 743-751 doi:10.1127/0935-1221/2004/0016-0743 | Journal (article/letter/editorial) | | organic compounds adsorbed or intercalated in sepiolite inclusions (Lacroix, 1896; Watts et al., 1975;...Cretaceous intrusive volcanic (diorite, monzonite, tonalite) or volcanosedimentary rocks. There is a commercial...quincyite, which is a mixture of minor sepiolite in opal. Sepiolite is known to crystallise in a lamellar...lamellar structure (Lacroix, 1896; Brown, 1962) and sepiolite-containing opal has a lamellar structure. The...as the pink colour in quincyite comes from the sepiolite component. These phyllosilicates can fix (either |  | | Journal (article/letter/editorial) | | pegmatite a.rrdreplacement veins in the Sheahan quarry, Graniteville, Mo. ( T o l m a nG , o l d i c h...AMERICA 891 Hurlbut, C. S. Jr. Dark inclusions in tonalite from southernCalifornia. 2O5,609 H a l l ,G ....M. W. Book review.. the Antartic archipelago. Sepiolite (analysis and optical (Stewart) 651 206 d a t...Granite, pegmatite and replacement veins in Sheaha:r quarry, Graniteville' 229 Mo. ..... ... ..202,208 Dome...flow. Tomichi Behre)..... 402 (Stark, 202 Tonalite of southern California' dark inclusions in. (Hurl |  | Schmitt, Axel K., Konrad, Kevin, Andrews, Graham D. M., Horie, Kenji, Brown, Sarah R., Koppers, Anthony A. P., Pecha, Mark, Busby, Cathy J., Tamura, Yoshihiko (2018) 40Ar/39Ar ages and zircon petrochronology for the rear arc of the Izu-Bonin-Marianas intra-oceanic subduction zone. International Geology Review, 60 (8) 956-976 doi:10.1080/00206814.2017.1363675 | Journal (article/letter/editorial) | | zircon from potential contamination. Results for sepiolite drill-mud have been published elsewhere (Andrews...ranging from ca. 312 Ma to 1.6 Ga (see below) and sepiolite ages ranging from 1.89 Ma to 2.9 Ga (Andrews et...zircon crystals from sepiolite drill - mud (Andrews et al. 2016). Attapulgite and sepiolite zircon also differ...attapulgite = 495 ppm; sepiolite = 345 ppm), lower Zr/Hf (averages attapulgite = 38; sepiolite = 56), and more...attapulgite = 0.26; sepiolite = 0.32) and YbN/ GdN (averages attapulgite = 229; sepiolite = 79). Ti abundances |  | | Journal (article/letter/editorial) | | leading to the formation of talc, magnesite, sepiolite and sometimes uncommon minerals such as huntite...largely of gabbro and diorite with minor amounts of tonalite (Frost and Snoke 1989). They are of mid-Cretaceous...AbuJaber and Kimberley 1992b). The absence of sepiolite and huntite in the Jamaica and Tobago ultrama®c...precipitate from hydrothermal springs. Commercial sepiolite of the meerschaum type found in Eskisehir, Turkey |  | | Journal (article/letter/editorial) | | becomes a matrix that supports small, lensoid tonalite fragments. The fault cores are almost entirely...along strike of main fault trace; leucocratic tonalite is visible on either side of the dark gray fault...on NE (left) side of fault, and Cahuilla Valley tonalite on SW (right) side. narrow, centimeters-thick...are composed of hypidiomorphic granular biotite tonalite with an average grain size of ~1–2 mm. Major mineralogical...Jacinto fault are composed of hornblende-biotite tonalite with a hypidiomorphic granular texture and an |  | | Report (issue) | | vein barite in Tertiary rocks in fault zones; sepiolite and bentonite for drilling muds and other industrial...iron deposits. Other deposits such as barite and sepiolite are of value because of their proximity to major...(3) mafic intrusive rocks; and (4) granite to tonalite. Gneissic complex. The gneissic complex is reported...percent SrSO/ (Fulton, 1975). Fullers earth a. Sepiolite (Meerschaum) in the Taleh Evaporite near El Bur...carving. Sepiolite exports were valued at about $20,000 in 1974 (U.S.B.M., 1976). The sepiolite is exposed |  | | Report (issue) | | SUBZONE IIA (cont'd) Igneous rocks (cont'd) Felsic tonalite....................................... 76 Antioquian...Hornblendite..................................... 84 Tonalite......................................... 85 ..... 138 El Cairo quarry....................................... 140 Neira quarry.....................area of plate 1. 28 A syntectonic intrusive tonalite (now metatonalite) pluton of batholithic dimensions...the concensus of the field geologists that the tonalite pluton intrudes the Valdivia Group, clear evidence |  | | Report (issue) | | photograph: Micaceous schist in the Wandel Park quarry near Toodyay. Contents Abstract .................................... 101 Kaolinitic clay in a quarry near Muchea ........................................... 126 Micaceous schist in the Wandel Park quarry near Toodyay ....................................Stockpiles of micaceous schist in the Wandel Park quarry near Toodyay ....................................59 Physical requirements for attapulgite and sepiolite for use in drilling muds .................... |  | | Journal (article/letter/editorial) | | -0.6 -0.2 to.3 -0.3 I-granite I-granodioritc I-tonalite I-granite S-aplite S-granodiorite S-granite S-granite...H) quart; (Herkimer "diamond'). NY (3) (+ ?2 : sepiolite, Nickel Mountain, OR garnierite, Nickel Mounta'n...Mounta'n, 0i: smectite, lake bed, NV z sepiolite, coexisting w'tb rlla illite, H-36, Ward's f4aturalSriewi...-2.1%0, is from the same nickel laterite as a sepiolite (#69), a3’Si = -0.4%~ It is probable that the...cystalline; it is certainly not as well ordered as the sepiolite. All highly fractionated clay samples formed during |  | Hall, R.B., Feininger, Tomas, Barrero, L., Dario, Rico H., Alvarez, A., , (1970) Mineral resources of parts of the Departments of Antioquia and Caldas, Zone II, Colombia. Open-File Report Vol. 1970 (70-148) US Geological Survey doi:10.3133/ofr70148 | Report (issue) | | concordantly by syntectonic catazonal or mesazonal tonalite plutons, and later discordantly by the epizonal...normal to the axis of the trough. Syntectonic tonalite intrusions are believed to have been eraplaced...qri.p****!* such as nitpooite or nickeliferooa sepiolite (CailleVe and Benin, 1957, p. 221; 236) nay be...One is 2 km northwest of Anserma in a roadside quarry on the east side of the Rio Risaralda, the other...clinker burning capacity of 1,000 metric tons. The quarry is in a lens of marble 350 m long and 120 m wide |  | | Journal (issue) | | by L. A. D. Menezes and J. M. Martins The Jensen quarry, Riverside County, California ...................noticed by Bill on a specimen from the San Venanzo quarry, Terni, Umbria, Italy, and was later recognized...in relative obscurity fo r decades, the Jensen quarry has produced nearly 90 species including excellent...o f rare minerals. S INTRODUCTION The Jensen quarry, located near Route 60 about 8 kilometers west...twice the number of mineral species, the Jensen quarry, with a growing list of nearly 90 species, would |  | | Journal (article/letter/editorial) | | material in four rocks have been studied. The Bonsall tonalite from the Southern California batholith yields...acid the interstitial material of the Bonsall tonalite is taken into solution at a rate of 16 per cent...NICEOLAS PILOLIT'ES EFREMOV New York, New York Sepiolite minerals which might be considered as end members...10SiOz.10H,O. Consequentlythe compositionof the sepiolite minerals can be expressedby a series of formulae...0.88,0.75,0.66,0.60,0.50.An end memberof the sepiolite series,MgO'2SiO,'2H,O (K - 0.50) was originally |  | | Journal (article/letter/editorial) | | material in four rocks have been studied. The Bonsall tonalite from the Southern California batholith yields...acid the interstitial material of the Bonsall tonalite is taken into solution at a rate of 16 per cent...NICEOLAS PILOLIT'ES EFREMOV New York, New York Sepiolite minerals which might be considered as end members...10SiOz.10H,O. Consequentlythe compositionof the sepiolite minerals can be expressedby a series of formulae...0.88,0.75,0.66,0.60,0.50.An end memberof the sepiolite series,MgO'2SiO,'2H,O (K - 0.50) was originally |  | | Report (volume) | | MIXED LAYER CHLORITE MINERALS R.C. REYNOLDS, JR. SEPIOLITE AND PALYGORSKITE B.F. JONES & E. GALAN CRYSTAL...REFERENCES xi B.F. Jones & E. Galan Chapter 16 SEPIOLITE AND PALYGORSKITE 631 632 INTRODUCTION STRUCTURES...1:1 structures, talc, chlorite, smectite, or sepiolite. Garnierite is now used as a group name to include...(1978) found kerolite as an alteration product of sepiolite and as a direct precipitate of ground water with...(1988) found kerolite unstable with respect to sepiolite in solutions in equilibrium or supersaturated |  | | Journal (article/letter/editorial) | | components like magnesian clay (palygorskite, sepiolite) or chlorite, iron-oxide, kaolinite and quartz...1977) may produce materials such as palygorskite, sepiolite, smectite or corrensite, which would be plausible...sediments consisted of mafic volcanic rocks and sodic tonalite-trondhjemite gneiss (or similar volcanic rocks)...in Fig. 2); values for M (mafic component), TT (tonalite-trondhjemite component), A UC (Archaean upper...(this study), compared to the mafic ( " M ' ) and tonalite-trondhjemite (" TT") components of Taylor and |  | | | | the Andahuaylas-Yauri batholith (diorite/tonalite, tonalite porphyry, and quartz diorite/monzonite porphyry)...Soraya Fm. 100 Tonalite porphyry Mara Fm. 140 Aptian 180 Mara Fm. 220 Diorite/tonalite Yanque Lower...varies in composition between a diorite and a tonalite. The main ferromagnesian phases in the batholith...diorite-tonalite of the Andahuaylas-Yauri batholith. In the center of the district, a tonalite porphyry...occurs in the middle of the Soraya Formation. The tonalite porphyry consists of plagioclase-quartz phenocrysts |  | | Journal (article/letter/editorial) | | the Andahuaylas-Yauri batholith (diorite/tonalite, tonalite porphyry, and quartz diorite/monzonite porphyry)...Soraya Fm. 100 Tonalite porphyry Mara Fm. 140 Aptian 180 Mara Fm. 220 Diorite/tonalite Yanque Lower...varies in composition between a diorite and a tonalite. The main ferromagnesian phases in the batholith...diorite-tonalite of the Andahuaylas-Yauri batholith. In the center of the district, a tonalite porphyry...occurs in the middle of the Soraya Formation. The tonalite porphyry consists of plagioclase-quartz phenocrysts |  | | Report (issue) | | This would be the 26th observation in the ranked quarry data set. If the data are even numbered, a median...crushing. Jointing helps make rhyolites easier to quarry but may also generate oversized blocks requiring...granodiorites, alaskite, diabase, quartz diorite, tonalite, granite, and various sedimentary rocks including...have densities from 400 to 700 kg/m3 and include sepiolite, and palygorskite/attapulgite. The primary non-clay...1997). Lightweight clays include attapulgite and sepiolite which have needleshaped crystals unlike flaky |  | | Journal (article/letter/editorial) | | three mine-dominated river systems: Idrija River, Slovenia; Carson River, Nevada; and Madeira River, Brazilian...Pal’yanova and V.A. Drebushchak Iron-rich analogue of sepiolite and the conditions of its formation in the contact...U-Pb geochronological constraints on the eclogite–tonalite connection in the Archean Man Shield, West Africa— |  | Nutman, Allen P., Allaart, Jan H., Bridgwater, David, Dimroth, Erich, Rosing, Minik (1984) Stratigraphic and geochemical evidence for the depositional environment of the early archaean isua supracrustal belt, southern west greenland. Precambrian Research, 25 (4) 365-396 doi:10.1016/0301-9268(84)90010-x | Journal (article/letter/editorial) | | sequence B. (A) K--Na--Ca (wt.% proportions) plot, tonalite field is for 30 Early Archaean tonalites from...normalised REE patterns, 117992 typical Early Archaean tonalite, 158511, homogeneous felsic rock from the felsic...1971. Precipitation of deep sea palygorskite and sepiolite. Earth Planet. Sci. Lett., 11: 324--332. Bridgwater...Cambridge. Hathaway, J.C. and Sachs, P.L., 1965. Sepiolite and clinoptilolite from the Mid-Atlantic Ridge |  | | Journal (article/letter/editorial) | | 30-page description of the granite, granodiorite and tonalite families as compared with the 4-page treatment...developed by solid-state reaction in a mixture of sepiolite, kaolinite and MgCOa. Mullite is formed by heating |  | | Catalog/List | | chlorophosphate New Ham.12shire Graf ton Center, Ruggles quarry ...... Olive green masses in pegmatite ...... ARAGONITE...aluminosilicate New Jersey Phillipsburg, Royal Green quarry Olive green coarse micaceous plates with serpentine...silicate with CO2 Canada Ontario, Bancroft, Princess quarry ~inous to glassy yellow masses with blue sodalite...magnesium fluosilicate New Jersey Newton, Lime Crest quarry Yellow crystals in white marble, sonie with graphite...baron and calcium Connecticut West Granby, Roncari quarry Rich greenish~white translucent crystalled crystalline |
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