Skiba, W. J. (1964): Geological studies in southwest Viti Levu. I. Petrology of the principal rock types. II. The manganese deposits. Fiji, Geol. Surv. Dept., Mem. 1, 1-56.

Reference Search (possible matching items)

	*Acharya, B. C., Rao, D. S., Sahoo, R. K. (1997) Mineralogy, chemistry and genesis of Nishikhal manganese ores of South Orissa, India. Mineralium Deposita, 32 (1) 79-93 doi:10.1007/s001260050074*	Journal (article/letter/editorial)
	Orissa, India. Manganese minerals recorded are cryptomelane, romanechite, pyrolusite, with minor amounts...ores contain > 40% Mn and mostly consist of cryptomelane, pyrolusite and romanechite with or without...filling by secondary manganese minerals like cryptomelane and pyrolusite. 81 Fig. 2 a Interbanded manganese...Massive manganese ores dominantly composed of cryptomelane and pyrolusite. Cavity filling of pyrolusite...manganese ores. They consist dominantly of goethite, cryptomelane and limonite. Siliceous manganese ores These
	Nicholson, K., Hein, J. R., Bühn, B., Dasgupta, S. - Eds. (1997) Manganese Mineralization: Geochemistry and Mineralogy of Terrestrial and Marine Deposits. Special Publication Vol. 119. Geological Society of London	Report (volume)
	Low-temperature veins consist of pyrolusite, cryptomelane, psilomelane, hollandite and todorokite, whereas...Japan (Moritani 1976; Hariya & Tatsumi 1981) Viti Levu, Fiji (Colley & Walsh 1987) Late OligoceneMid-Miocene...manganese orebodies (pyrolusite, manganite, cryptomelane, braunite) are interbedded with shale and are...condition developed. Sedimentary manganese deposits (cryptomelane, minor braunite), associated with BIF, occur...1987. Genesis of Fe-Mn deposits of southwest Viti Levu, Fiji. Transactions Institution of Mining and Metallurgy
	*(1991) For 1982 and 1983. Annual Report. British Geological Survey*	Report (issue)
	the vicinity of the old Lecht mine occurs as cryptomelane and (in small amount) lithiophorite. Brecciation...of coastline adjacent to Taveuni, Vanua Levu and Viti Levu. OfTshore placer deposits were reconnoitred...ly with UNDP, off the Singatoka and Mba rivers on Viti l_.evu. A new prospect for magnetite, tin, silver...j unction of the Pacific Plate with the northern Fiji Plateau, and hydrothermal metalliferous m inerals...centres on the Fiji Plateau. Two hydrocarbon prospective deep-water basins off South Viti Le,tu, one a
	Ridge, John Drew - Ed. (1980) Proceedings of the Fifth Quadrennial IAGOD Symposium Vol. 1 - Papers presented at the Symposium on topics related to general problems on the genesis of ore deposits and on studies of the ore geology of specific districts or deposits (Exclusive of Western North America) E. Schweizerbart'sche Verlagsbuchhandlung.	Book (volume)
	Mineralization, Petrogenesis,and Tectonic Evolution of Fiji ........ .. .... ... ... .. ...... .. ........ ...orebodies are pyrolusite, psilomelane (1nainly cryptomelane), n1anganite, and, in places, rhodochrosite... ~IINERALIZATION, PETROGENESIS AND TECTONIC EVOLUTION OF FIJI L. J. LAWRENCE School of Applied Geologv, Universitv·...in early Tertiary time, the main island of Fiji-Viti Levu-belonged to the New Hebrides part of the outer...that arc in a N-S direction. The older rocks of Fiji developed within that position. Relative movement
	*Palmer, Crystal S. - Ed.* (1986) GEOREF Thesaurus and Guide to Indexing (4th ed.) American Geological Institute, Alexandria, VA.**	Book (edition)
	Trilobita BT Trilobitomorpha Arthropoda Invertebrata cryptomelane BA oxides BT minerals SA manganese minerals...Earth SA geodesy SA geoid on level 2 under Fiji Independent state consisting of is- CO ferropseudobrookite...W1780000E1770000 Fiji Islands Melanesia Vanua Levu Viti Levu Pacific Ocean Fiji Islands use Fiji Fiji Plateau...Plateau Just E of Fiji in S. BT Pacific Ocean Filicales use Filicopsida Filicopsida Including Filicales....the Tonga Islands and S of the Lau group of the Fiji Islands BT Pacific Ocean Lauderdale County Term
	*Bernard, Jan, Hyršl, Jaroslav (2004) Minerals and their Localities* (1st ed.) Granit, Prague.**	Book (edition)
	Excellent crystals to > I cm at Yatukoula, Viti Levu, Fiji Islands. Common in stratiform Au ore deposits...468-480, 1999. Coronadite Pb(Mn4+,Mn2+)gO16 (4.D, cryptomelane group). Monoclinic, 12/m, a,b,c = 9.94, 2.87...or magnesioriebeckite. CM 35,219-246, 1997. CRYPTOMELANE St.-Michel, Montreal, both Quebec. In cryolite...India. Dana, v. 2, 104-105, 1951. Cryptomelane KMn 8O 16 (4.D, cryptomelane group). Monoclinic, pseudotetragonal...occurs at the Undu mine, TtJl'llndamu,Vanua Levu Is., Fiji Islands; at Wittichen, Schwarzwald Mts., at
	*, (1961) Synopsis of geologic and hydrologic results: Chapter A in Geological Survey research 1961. Professional Paper* 424a. US Geological Survey doi:10.3133/pp424a**	Report (issue)
	Paleontologic studies of Okinawa, Guam, and the Fiji Islands___________________________ 48 IX Page...deposits near Philipsburg, Montana Pyrolusite, cryptomelane, todorokite, chalcophanite, hetaerolite, manganite... a stilbite-like zeolite, manganese oxides (cryptomelane, pyrolusite, and manganite), hematite, and limonite...Paleontologic studies of Okinawa, Guam, and the Fiji Islands L. W. Leroy has found that fossil Foraminifera...of larger Foraminifera in four samples from Viti Levu, Fiji Islands not only establish the presence of
	*Shimomura, Ruth H. - Ed.* (1989) GEOREF Thesaurus and Guide to Indexing (5th ed.) American Geological Institute, Alexandria, VA.**	Book (edition)
	Trilobitomorpha BT Arthropoda BT Invertebrata cryptomelane BA oxides BT minerals SA manganese minerals...Tasman Sea DSDP Site 285 Term introduced in 1989. S Fiji Basin, W Pacific. CO S264910S264909 El 754815E1754814...under geodesy) 1). SA SA SA Earth geodesy geoid Fiji Independent state consisting of is¬ land group between...770000 UF Fiji Islands BA Melanesia BT Oceania NT Vanua Levu NT Viti Levu SA Pacific Ocean Fiji Islands...Islands use Fiji Fiji Plateau Just E of Fiji in S Pacific Ocean. BT Pacific Ocean Filchner Ice Shelf Term introduced
	(1992) Regolith Exploration Geochemistry in Tropical and Subtropical Terrains - Handbook of Exploration Geochemistry - Handbook of Exploration Geochemistry No. 4. Elsevier. doi:10.1016/c2009-0-12888-x	Book
	manganite (MnOOH) and the Mn4+ oxides, such as cryptomelane, pyrolusite and lithiophorite, which are responsible...covered part of the Waivaka porphyry Cu deposit, Fiji, but that sampling of residual exposures was possible...gahnite, hemimorphite, corkite, plumbogummite, cryptomelane, coronadite, chalcophanite and variable amounts...independent of the relief (Tupas et al., 1968). On Viti Levu Island, Fyi, detailed soil and pit geochemistry...370, 371 Hamr Akarem, 370 Ethiopia, 100, 328 Fiji Viti Levu Island, 397 Waivaka, 110 France General, 50
	*Roberts, Willard Lincoln, Campbell, Thomas J., Rapp, George Robert Jr. (1990) Encyclopedia of Minerals* (2nd ed.) Van Nostrand Reinhold Co., New York.**	Book (edition)
	calcite, associated with argentian todorokite, cryptomelane, pyrolusite, and quartz at the Aurora (Treasure...elsewhere in Ontario, Canada; the Emperor gold mine, Fiji; and at localities in Mexico, El Salvador, Romania...36:484-503 (1951). CORONADITE Pb(Mn4,Mn?)sO4. Cryptomelane Group CRYSTAL SYSTEM: Tetragonal CLASS: 4/m...ed., v. II, p. 99-100, New CRYPTOMELANE K(Mn?,Mn)sOx¢ Cryptomelane* Group CRYOPHYLLITE CRYPHIOLITE...CSIKLOVAITE (Inadequately described) Bi,Te(S,Se).(?) CRYPTOMELANE GROUP Monoclinic, tetragonal, or pseudotetragonal
	*Roberts, Willard Lincoln, Campbell, Thomas J., Rapp, George Robert Jr. (1990) Encyclopedia of Minerals* (2nd ed.) Van Nostrand Reinhold Co., New York.**	Book (edition)
	calcite, associated with argentian todorokite, cryptomelane, pyrolusite, and quartz at the Aurora (Treasure...elsewhere in Ontario, Canada; the Emperor gold mine, Fiji; and at localities in Mexico, El Salvador, Romania...36:484-503 (1951). CORONADITE Pb(Mn + 4 ,Mn + 2)a016 Cryptomelane Group CRYSTAL SYSTEM: Tetragonal CLASS: 4/m...104-105, New York, Wiley, 1951. CRYPTOMELANE K(Mn + 2,Mn+ 4 )a016 Cryptomelane Group CRYSTAL SYSTEM: Monoclinic...CSIKLOVAITE (Inadequately described) Bi2Te(S,Se)2(?) CRYPTOMELANE GROUP Monoclinic, tetragonal, or pseudotetragonal
	*Clopton, E. L., Wilson, W. E. (1996) The Mineralogical Record Index* - Volumes I - XXV 1970 - 1994. Mineralogical Record Inc.**	Book
	dike system, CA 8:468lvigtul 24:G33-34h,c,p 472 CRYPTOMELANE Trough-shaped crystals (esp. pyromorphite) 13:267d...7:121 FIJI Emperor mine, Vatukoula, Viti Levu 8:39Js Undu mine, Nukundamu 11: I 11-112s Viti Levu 13:394s...14:206n; dendritic, palladian 18:85-88c,p,q Fiji Emperor mine, Viti Levu 8:391n France Central Massif region...quarry, Delphos. Van Wert kerud 2:235s, 8: I 06s Fiji County 18:361 s S!llnderled 22:48s Undu mine, Nukundamu...Flinders Range: acicular to 25 cm; some coated with cryptomelane 9:21-22p; acicular to 2 cm 5:77p; radiating
	Laznicka, Peter - Ed. (1985) Empirical Metallogeny: Depositional Environments, Lithologic Associations and Metallic Ores - Phanerozoic Environments, Associations, and Deposits - Developments in Economic Geology No. 19B. Elsevier. doi:10.1016/c2013-0-11844-2	Book
	quartz-free (diorite, syenite) association Vunda, Fiji 7 Au (As) quartz monzonite, granodiorite, qtz...New Guinea-Melanesia belt (the Solomons, Vanuatu, Fiji) NG: J-Q sedim.cover 01-P1 dior.to quartz PCm sialic...four of which have reserves over 1 New Guinea to Fiji, a copper occurrences are Mt Cu. Geology and 1138...islands), Solomon Islands, New Hebrides (Vanuatu) and Fiji. These islands, already mentioned in Chapter 5 (Davies...Manus Island (Mt. Kren), Guadalcanal (Koloula), Viti Levu (Namosi area) and other islands. The Panguna deposit
	Dill, Harald G. (2010) The “chessboard” classification scheme of mineral deposits: Mineralogy and geology from aluminum to zirconium. Earth-Science Reviews, 100 (1) 1-420 doi:10.1016/j.earscirev.2009.10.011	Journal (article/letter/editorial)
	Covellite Crandallite Crocidolite Crocoite Cryolite Cryptomelane Cubanite Cummingtonite Cuprite Cylindrite Danburite...rhodonite, braunite, jacobsite, hausmannite, cryptomelane, coronadite, todorokite, birnessite and hollandite...(hollandite, pyrolusite, ramsdellite, romanèchite, cryptomelane) Fe–Ba–F gangue minerals and abundant clay minerals...normally consists of pyrolusite, psilomelane, cryptomelane, manganite, hausmannite, braunite and 93 barite...stratigraphical units. In the Cambrian host sediments cryptomelane, pyrolusite, romanèchite, hollandite and coronadite
	Dill, Harald G. (2010) The “chessboard” classification scheme of mineral deposits: Mineralogy and geology from aluminum to zirconium. Earth-Science Reviews, 100 (1) 1-420 doi:10.1016/j.earscirev.2009.10.011	Journal (article/letter/editorial)
	Covellite Crandallite Crocidolite Crocoite Cryolite Cryptomelane Cubanite Cummingtonite Cuprite Cylindrite Danburite...rhodonite, braunite, jacobsite, hausmannite, cryptomelane, coronadite, todorokite, birnessite and hollandite...(hollandite, pyrolusite, ramsdellite, romanèchite, cryptomelane) Fe–Ba–F gangue minerals and abundant clay minerals...normally consists of pyrolusite, psilomelane, cryptomelane, manganite, hausmannite, braunite and 93 barite...stratigraphical units. In the Cambrian host sediments cryptomelane, pyrolusite, romanèchite, hollandite and coronadite
	*Laznicka, Peter - Ed.* (1985) Phanerozoic Environments, Associations and Deposits - Developments in Economic Geology No. 19A. Elsevier. doi:10.1016/c2013-0-11843-0**	Book
	quartz-free (diorite, syenite) association Vunda, Fiji 7 Au(As) quartz monzonite, granodiorite, qtz...New Guinea-Melanesia belt (the Solomons, Vanuatu, Fiji) NG: J-Q sedim.cover 01-P1 dior.to quartz PCm sialic...four of which have reserves over 1 New Guinea to Fiji, a copper occurrences are Mt Cu. Geology and 1138...islands), Solomon Islands, New Hebrides (Vanuatu) and Fiji. These islands, already mentioned in Chapter 5 (Davies...Manus Island (Mt. Kren), Guadalcanal (Koloula), Viti Levu (Namosi area) and other islands. The Panguna deposit
	*Edwards, Richard, Atkinson, Keith (1986) Ore Deposit Geology and its Influence on Mineral Exploration. Springer Netherlands. doi:10.1007/978-94-011-8056-6*	Book
	rocks 50 Magmatic deposits • South Africa + Viti Levu , Fiji Skaergaard ... Li quids 11 GranoPhyre MgO...(Mississippian) Devonian Cambrian Precambrian Others Hawaii, Fiji, Solomon . Islands Ghana, Ivory W. Australia Coast...this deposit the appearance of pyrolusite and cryptomelane at an intermediate stage of oxidation rather...supergene enrichment above primary sulphide ore. Cryptomelane KMn8016 Cuprite C U20 Copper ore mineral...Complex 22,23,26-7,32 Crushing iron ore 315 Cryptomelane 307,432 Crystallization intrusions 82-3, 84
	*Roberts, Willard Lincoln, Rapp, George Robert Jr., Weber, Julius (1974) Encyclopedia of Minerals* (1st ed.) Van Nostrand Reinhold Co., New York.**	Book (edition)
	calcite, associated with argentian todorokite, cryptomelane, pyrolusite, and quartz at the Aurora mine (Treasure...484-503 (1951 ). CORONADITE Pb(Mn 2+, Mn4 +)s016 Cryptomelane Group CRYSTAL SYSTEM: Tetragonal CLASS: 4/m...Ed., v. II,p. 104-105,NewYork, Wiley, 1951. CRYPTOMELANE K(Mn 2+, Mn4+)s016 CRYSTAL SYSTEM: Tetragonal...1951. HOLLANDITE Ba(Mn 2 +, Mn4 +, Fe 3+)s 0 16 Cryptomelane Group .. CRYSTAL SYSTEM: Monoclinic CLASS:...IRON-MONTICELLITE = Kirchsteinite ISHIGANEITE = Mixture of cryptomelane and birnessite ISHI KAWAI TE (Uranium-rich variety
	*Condie, Kent C. (1981) Archean Greenstone Belts* - Developments in Precambrian Geology No. 3. Elsevier. doi:10.1016/s0166-2635(08)x7004-5**	Book
	and pyrolusite. Secondary minerals such as cryptomelane and psilomelane often form cavernous and concretionary...the Tertiary succession on the island of Viti Levu in the Fiji Islands, which represents a typical convergent
	*Moore, T.P. (2016) Moore's Compendium of Mineral Discoveries 1960 - 2015* Vol. 2. Mineralogical Record Inc.**	Book
	REPUBLIC [CZECHOSLOVAKIA] Emperor mine, Vatukoula, Viti Levu Island. For accounts of this unusual gold mine...collapsed caldera near the northern coast of Viti Levu, see this entry for Gold, Sylvanite and Tellurium...oxide species including romanechite, hollandite, cryptomelane and bimessite. It is retained as a heading here...[Lower Silesia] Province. See this entry for Cryptomelane. AFRICA GABON Moanda mine, Moanda, Haut-Ogoue...interlocking tufts to 2.5 cm, in some cases with black cryptomelane or gray collinsite. Sprays and tufts of lemon-yellow
	*(1972) Studies in Mineralogy and Precambrian Geology. GSA Memoir* 135. Geological Society of America doi:10.1130/mem135**	Report (issue)
	5, p. 339-340. The chemical relationship of cryptomelane (psilomelane), hollandite, and coronadite: Am...1-33. Gill, J. B., 1970, Geochemistry of Viti Levu, Fiji, and its evolution as an island arc:
	*(2017) Critical mineral resources of the United States—Economic and environmental geology and prospects for future supply. Professional Paper* 1802. US Geological Survey doi:10.3133/pp1802**	Report (issue)
	oxides, pyrolusite (a simple manganese oxide) and cryptomelane (a potassium-bearing oxide) are the most widely...discussed in detail in this chapter. Cryptomelane.—Cryptomelane (K( Mn4+,Mn2+) 8O16 ), a potassium-bearing...and others, 2002), and (c) Papua New Guinea and Fiji (for example, in Papua New Guinea, the Porgera deposit...in New Ireland Province; and in Fiji, the Emperor deposit in Viti Levu). In the Cripple Creek district...mineralization at the Emperor gold mine, Vatukoula, Fiji: Journal of Geochemical Exploration, v. 36, nos
	Hamimi, Zakaria, El-Barkooky, Ahmed, Frías, Jesús Martínez, Fritz, Harald, El-Rahman, Yasser Abd - Eds. (2020) The Geology of Egypt. Springer International Publishing. doi:10.1007/978-3-030-15265-9	Book
	of impacts on Earth. Elements 8:55–60 Pratesi G, Viti C, Cipriani C, Mellini M (2002) Silicate-Silicate...Prasad B (2003) Development and climate change in Fiji: focus on coastal mangroves. Environment Directorate...sea-level rise and climate change, case study: Viti Levu Island, Fiji, phase I: concept and approach. In: South...encrustations of botryoidal pyrolusite, psilomelane, cryptomelane, ramsdellite, todorkite and nsutite with goethite

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Cryptomelane from Viti Levu, Fiji

Cryptomelane from
Viti Levu, Fiji