 | Götze, Jens, Stanek, Klaus, Orozco, Gerardo, Liesegang, Moritz, Mohr-Westheide, Tanja (2021) Occurrence and Distribution of Moganite and Opal-CT in Agates from Paleocene/Eocene Tuffs, El Picado (Cuba) Minerals, 11 (5) 531 doi:10.3390/min11050531 | Journal (article/letter/editorial) | | Distribution of Moganite and Opal-CT in Agates from Paleocene/Eocene Tuffs, El Picado (Cuba) Jens Götze 1, *, Klaus...Distribution of Moganite and Opal-CT in Agates from Paleocene/Eocene Tuffs, El Picado (Cuba). Minerals 2021, 11...Avenida Calixto Garcia Iñiguez 15, Moa, HolguĂn 83330, Cuba; orozcog49@gmail.com Institute for Geological Sciences...Paleocene/Eocene tuffs from El Picado/Los Indios, Cuba were investigated to characterize the mineral composition...characterized by abnormal high bulk contents of opal-CT (>6 wt%) and moganite (>16 wt%) besides alpha-quartz |  | | Report (issue) | | 20. In 1982, seven countries-Australia, Canada, Cuba, Indonesia, New Caledonia, South Africa, and the...andResources, 1984, p. 9). The Soviet Union and Cuba have emerged as significant exporters of nickel...Nickel laterite ' ~ ""'It /. ,;~~·.; · ··: <" âą"· CUBA ·-·· #"".. M ., oa d'tst n'ct "' min~ ~ ;,....:0(/;Punta Gorda dtstnct district. . EXMIBAL ~ ,, , CUBA Moa district lillW.II mmn 20° _ .; , R'ddle...lower middle-income economies-Botswana, Colombia, Cuba, Dominican Republic, Guatemala, Indonesia, Ivory |  | | Journal (article/letter/editorial) | | champion, journeys between their Winter home in Cuba and their from l!'lorida migration It deserves...from What con l!'lorida through the Bahamas or Cuba to Haiti, Porto Hico, and the Lesser Antilles and...Among these long-distance mi Only Yet beyond Cuba About 25 adventurers of some species conÂ...America, at least 5,000 miles from the Sum via Cuba and Jamaica (see Fig. 2, route 3). larks are found... compass in a single flight the 700 miles from Cuba to different paths for the Spring and the l!'all |  | | Journal (article/letter/editorial) | | gton The original cuban(ite), from southeastern Cuba, was characterizedby Breithauptl;in 1843as a massive...About 1854, analyses of specimens from Barracanao, Cuba, supposedlythe locality of the cubanite, weie made...product of serpentine, which consists largely of opal and magnesite with small amounts of cinnabar and...shows that the magnesite had replacedthe opal and the opal in turn had replacedthe antigorite of serpentine |  | | Journal (article/letter/editorial) | | agates from Morocco [3], China [4], Russia [5â7], and Cuba [8]. This Special Issue was prepared during the...region (the Eastern part of Cuba). The agates consist of high amounts of opal and moganite. Surficial alteration...Distribution of Moganite and Opal-CT in Agates from Paleocene/Eocene Tuffs, El Picado (Cuba). Minerals 2021, 11 |  | | Journal (article/letter/editorial) | | intercalated with macrocrystalline quartz, quartzine, opal-A, opal-CT, cristobalite and/or moganite. In addition...that opal-CT, opal-C, cristobalite and moganite are also common Recent studies have shown that opalâCT...opalâCT, opalâC, cristobalite moganite stage are also common in in many agates worldwide [29,40,45,54]. Opal-CT...pure manyFigure agates worldwide [29,40,45,54]. OpalâCT represents an intermediate stage between pure...amorphous opal-A (Figureof5). Opal-CT was detected tridymite sometimes intergrown with amorphous opalâA (Figure |  | | Book | | Distribution of Moganite and Opal-CT in Agates from Paleocene/Eocene Tuffs, El Picado (Cuba) Reprinted from: Minerals...agates from Morocco [3], China [4], Russia [5â7], and Cuba [8]. This Special Issue was prepared during the...region (the Eastern part of Cuba). The agates consist of high amounts of opal and moganite. SurïŹcial alteration...Distribution of Moganite and Opal-CT in Agates from Paleocene/Eocene Tuffs, El Picado (Cuba). Minerals 2021, 11...intercalated with macrocrystalline quartz, quartzine, opal-A, opal-CT, cristobalite and/or moganite. In addition |  | | Journal (article/letter/editorial) | | during three years of field studieson the Island of Cuba would seem to indicate otherwise. Areas of serpentineoutcropoccur...serpentineoutcropoccur in every provinceof Cuba. The age of the intrusionof the ultrabasicmagma is definitely...decomposition of the serpentine;depositsof silica (opal and chalcedony),occur as residualmasseson the serpentine |  | | Journal (issue) | | POPOCATEPETL. By Paul E. Killinger .............. GOLD IN CUBA ................. âąâą-···. ·········· .... ·····...individuals. My possible. GOLD IN CUBA Gold has been known to occur 1n Cuba for many years-alluvial gold deposits...the extreme western province of Cuba. The richest gold deposits of Cuba are in the Holguin district, in...serpentine. Oriente is the extreme eastern province of Cuba. A nice specimen of native gold in serpentine from...Near the west coast of the island, which be'ongs to Cuba, is the Esperanza Mine. Here a gold vein. in mica |  | | Report (issue) | | Mg0.17 )ÎŁ=6.00 O12 âą 3.62H2 O. (2) Tarantana mine, Cuba; corresponds to (Mn2+ 0.49 Na0.25 2+ âą Ca0.19 K0...romaneÌchite, manganite, rhodochrosite, quartz, âopalâ. Distribution: Widespread. Well-characterized...Groote Eylandt, Northern Territory, Australia. In Cuba, an ore in the Charco RedondoâTaratana district |  | | Journal (article/letter/editorial) | | ............................................... Cuba and Mexico .......................................been collectedin the United Statesas well as in Cuba and in Mexico and muchmore laboratory work hasbeendone...environmentof nearly 250 specimens collei:tedin Cuba and Mexico. In additionto yieldingsomeconclusions...of the following minerals: black calcite,zeolites,opal, fluorite, barite, calcite, quartz. Only rarely...morethan three of thesemineralspresentin a singlevein. Opal, zeolites,fluorite, and barite, are widely consideredto |  | | Journal (article/letter/editorial) | | nickelbearing weathering zone on ultrabasites in eastern Cuba, which is not covered by sediments and has not undergone...Maiari-Moa Baracoa ultrabasite massif, the largest in Cuba. The deposits consist of a series of faulted serpentinite...from a weathering zone on serpentinites in East Cuba: a) sets of acicular crystals elongated on the c...hollow pseudomorphs of nickel hydrosilicates and opal after millerite crystals up to 2 cm long and 0.4...origin of nickel deposits in weathering crusts in Cuba. In Geologiya poleznykh iskopayemyye Kuby (Geology |  | | Journal (article/letter/editorial) | | material, tuff, which also contains K-feldspars, opal-CT and clays (mainly smectite) according to X-ray...quarry, which is also a together with K-feldspars, opal-CT and clays. Mordenite is property of Bentomine...equipped with an Oxford ISIS300 EDS. It is notor- opal-CTĂŸfeldspars. However, mordenite is diminishing...and tufts in association with prismatic feldspars, opal-CT spherulites and clay tactoids. The corresponding...P2 samples. Lower left image: mordenite (Mor) ĂŸ opal-CT (Opl-CT) ĂŸ smectite, i.e., montmorillonite (Mnt) |  | | Journal (article/letter/editorial) | | nickeliferous iron ores of the Mayari district in Cuba are briefly described : the value of these for the...FOSSIL FILAMENTOUS ALGA AND SPONGE-SPICULES FORMING OPAL NODULES AT RICHMOND RIVER, N.S.W. By FREDERICK CHAPMAN...part 2. pp. 167-71, 2 text-figures. 1922. /COMMON opal from the diatomaceous deposits of the Richmond ^ |  | | Journal (article/letter/editorial) | | filled, as in Hungary, with chalcedony and common opal.1 No continuous mass of glass is visible, and in...the studies for publication, so that my papers on Cuba, Jamaica, and Mexico shall be published. It may...equivalent) has been preserved from erosion. In Cuba and Jamaica the Miocene limestones have suffered...the studies for publication, so that my papers on Cuba, Jamaica, and Mexico shall be published. |  | | Report (volume) | | Lincoln mine_____________________________________ 44 Cuba and Independence claims____________________-_-_______...White Oak property Yavapai County Abe Lincoln mine Cuba and Independence claims Kitten No. 1 claim Peeples...give their age. These are EXPLANATION Radioactive opal 0,007 500 I APPROXIMATE VERTICAL AND HORIZONTAL...is locally replaced by milky white and greenish opal; both are commonly stained with irregular patches...greenish opal is more brightly fluorescent and much more radioactive than the milky white opal, which is |  | | Journal (article/letter/editorial) | | a bluishwhite common opal which fluoresces green under the Mineralight. The opal occurs as small masses...pegmatite), muscovite (white flakes in granite), opal (small, white cacholong pebble), and the following...Bradbury's Mountain at Pownal, Cumberland Co. ; Opal (hyalite) colorless crust on pegmatite from Topsham...which is 7,200 feet high. CubaâAt the Delita gold mine on the Isle of Pines, Cuba, the following are some |  | | Journal (article/letter/editorial) | | Sand From Cuba Ellis C. Soper, Franklin, N . C , was a recent visitor to Santiago de Cuba, Oriente Province...Province, Cuba, and while there he collected for us a sample of beach sand from the mouth of Santiago...there's naught can compare With the beauty of the Opal rare, Or with the Agate, so serene, Or with the |  | | Journal (article/letter/editorial) | | 0 5 10 20 km Florida GBB CSB c,d SC OBC Cuba Fig. 2. Location of the multibeam bathymetry data...reaction front, where biogenic silica (opal A) is converted to opal CT (Cristobalite/ Tridymite) and the...America. Its former plate boundary, the present day Cuba, which was a Cretaceous island arc, began to collide...plate boundary south of Cuba (Pindell and Kennan, 2009). With the welding of Cuba to the North American...Earthquakes are generally concentrated south of Cuba along the Caribbean plate boundary (N 350 km from |  | | Journal (issue) | | best of companions, and one of the finest roads in Cuba, all combined to produce some of the most enjoyable...sojourn. A good road is a rare and wonderful thing in Cuba, almost miracu lous, and if you will pardon me,...found ! Twenty two years later, when Santiago de Cuba came into existence, the devo tion to gold and church...WHEEL OF FORTUNE, for Spain heaped heavy burdens on Cuba until at last, in 1868, war broke out. And such...the mines remained idle. In 1895 war again racked Cuba and El Cobre suffered some. After the strong hand |  | | Journal (article/letter/editorial) | | to P!/raNs h2talinata , Linn., Poey, Cent. Lep. Cuba, pl. 19 (which belongs to the genus EudioTtes ,...exclusively limited to the New World, and is found in Cuba, Jamaic% Brazil, and Honduras. A Downloaded by...minutely and sparingly dusted about the middle with opal and pale ochreous scales ; the usual letter-like...by a smaller opal one; parallel with the outer margin is an irregular line-of small opal patches. Hind...a rich dark brown, and much more irrorated with opal (or bluish-white) scales throughout Downloaded |  | | Journal (article/letter/editorial) | | Co., Okla. OREGON: A new find of opal and this time precious fire opal which appears to be the first found...Ranger A. C. ArtesĂłn. The opal is found in a matrix of opaque, pale blue common opal, and shows large harlequin...there is little news from here. There is only one opal mine working at present in Queensland, this is a...than 25 years. The opal is boulder, an almost black matrix, but the colors of the opal are very vivid but...Honolulu, Hawaii. CUBA: Native gold occurs in the gold mines at Holguin, Oriente Province, Cuba. H A I T I |  | | Journal (issue) | | E. BriJ1011) . âą 325 325 CHALCEDONY AT MADRUGA CUBA. ........................................ NOTES...as fluorite, wernerite-scapolite, hyalite, semi-opal and others which are best affected by the Jong wave...pale yellow. Phosphoresce strong green. Precio111 Opal-Australia- (large nwnber of specimens) Fluoresce...core fl uoresce a blue-white (these portions may be opal) . Light chalky earth adhering to outside of brown...near H elena in a long ridge of jasper and semi-opal and also an agate-jasper breccia. Near White Sulphur |  | | Journal (issue) | | ieat v h\str iormS'. A.ttrq,, tiv~ ul y }ical F11e Opal u aire pc 01.'tahedral I:luor '1ilu n;_ intei:e~tirip-moJifo...Guantanamo Bay is reached. From here on to Sautiago de Cuba are scattered the iro11 mi11i11g* towns of Sis:ua... Se\·illa, and fi~hing \·illages. SANTIAGO DE CUBA. Looking from the ~teamer·s deck nothi11g is \·isible.../our. !xi., xxviii 416; alto Porter's "luCuba," N. Y. an,\ i,ondon, 1899, chap. xxii. Oig"'"d...half mile, some thirty miles west from Santiago de Cuba. The ocean tng Colonof the Spanish-American Iron |  | | Catalog/List | | BERYLLONITE BILLITONITE BINGHAMITE BLACKMORITE BLACK OPAL BLOODSTONE BONE BORACITE BOWENITE BRAZILIANITE BRECCIATED...CLINOZOISITE COBALTITE COBA LTOCALCITE COLE.MANITE COMMON OPAL COPAL CORAL CORDIERITE CORUNDUM RUBY SAPPHIRE COVELLITE...PLAGIOCLASE FERGUSONITE FIBROLITE FIRE AGATE FIRE OPAL FLINT FLUOBORITE FLUORITE FOWLERITE FRIEDE.LITE...MOOKITE MOONSTONE MORGANITE MORION MOSS AGATE MOSS OPAL MOTHER OF PEARL MOZARKITE MYRICKITE HAMBERGITE...SUNSTONE ONYX OPAL BLACK OPAL CACHOLONG CO.MMON OPAL FIRE OP.-U HYALITE HYDROPHANE MOSS OPAL OPAL MATRIX OPALITE |
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CamagĂŒey Province, Cuba