 | Arribas, Antonio, Cunningham, Charles G., Rytuba, James J., Rye, Robert O., Kelly, William C., Podwysocki, Melvin H., McKee, Edwin H., Tosdal, Richard M. (1995) Geology, geochronology, fluid inclusions, and isotope geochemistry of the Rodalquilar gold alunite deposit, Spain. Economic Geology, 90 (4) 795-822 doi:10.2113/gsecongeo.90.4.795 | Journal (article/letter/editorial) | | FluidInclusions, andIsotopeGeochemistry of the Rodalquilar GoldAluniteDeposit,Spain ANTONIOARRIBAS, JR.,* Department...94025 Abstract The Rodalquilar epithermalAu alunitedepositoccurswithinthe Rodalquilar calderacomplexin...Gatavolcanic fieldin southeastern Spain.The Rodalquilar caldera formedby eruption of therhyolitic Cintoash-flow...collapse andresurgence. Ore deposits withinthe Rodalquilar calderacomplex consist of low-sulfidation Pb-Zn-(Cu-Ag-Au)...undertheadvanced argillic (stagei alunite,diaspore, zunyite,pyrophyllite) andsilicic(vuggy silicaandmassive |  | Arribas, Antonio, Rytuba, J.J., Rye, R.O., Cunningham, C.G., Podwysocki, M.H., Kelly, W.C., Arribas, Antonio, McKee, E.H., Smith, James G. (1989) Preliminary study of the ore deposits and hydrothermal alteration in the Rodalquilar caldera complex, southeastern Spain. Open-File Report Vol. 1989 (89-327) US Geological Survey doi:10.3133/ofr89327 | Report (issue) | | IN THE RCDALQUILAR CALDERA COMPLEX, SOUTHEASTERN SPAIN Antonio Arrihas Jr.l James J. Rytuba^ Robert O...37008, Spain PRELIMINARY STUDY OF THE ORE DEPOSITS AND HYDROTHERMAL ALTERATION IN THE RODALQUILAR CALDERA...CALDERA COMPLEX, SOUTHEASTERN SPAIN SUMMARY The Rodalquilar gold-alunite deposits are the first documented...Mineralization occurs in rhyolitic tuffs and domes of the Rodalquilar caldera complex in the Miocene Cabo de Gata volcanic...the ground surface. Ore deposits within the Rodalquilar complex consist of alunite, gold-alunite, and |  | Arribas, Antonio, Cunningham, C.G., McKee, E.H., Rye, R.O., Rytuba, J.J., Tosdal, R.M., Wasserman, M.D., Aoki, Masahiro (1995) Compilation of sample preparation and analytical methods and results of chemical, isotopic, and fluid inclusion analyses, Rodalquilar gold-alunite deposit, Spain. Open-File Report Vol. 1995 (95-221) US Geological Survey doi:10.3133/ofr95221 | Report (issue) | | and fluid inclusion analyses, Rodalquilar gold-alunite deposit, Spain by Anibas Jr., Antonio1'5 Cunningham...of the Rodalquilar gold-alunite deposit ..........................9 Index map of the Rodalquilar caldera................ 10 Cross-sections through the Rodalquilar and Lomilla calderas ........... 11 2. 3. 4...composition of volcanic rocks related to the Rodalquilar deposits ....................................... 25 Summary of stable isotope data for the Rodalquilar deposit................ 2& 14. 15. 16. 17. 18 |  | | Report (issue) | | previously. The presence of pyrophyllite, topaz, zunyite and woodhouseite within alteration zones associated...identifies minerals such as pyrophyllite, topaz and zunyite effectively. High field strength and rare earth...pyrophyllite-bearing zone also contains topaz and zunyite, identified using PIMA. The quartz–sericite±pyrophyllite...second zone about a smaller pyrophyllite- and zunyite-bearing zone near the base of the drill hole. The...and Carswell.2 The association of woodhouseite, zunyite, topaz and fluorite with the pyrophyllite-bearing |  | | Report (issue) | | pyriterich such as at El Salvador, Chile; Rodalquilar, Spain and Goldfield, Nevada. Supergene alunite...pyrite and possibly PO4 analogs of alunite, and zunyite, and later gold, pyrite and enargite. Acidsulfate...Arribas, Jr., currently studying the Rodalquilar district in Spain as part his Ph. D. program, and Jeff...levels of the deposit. The presence of the mineral zunyite, and high PO4 contents of alunite appear to be...alunites from Rodalquilar are the stage 2 alunites shown in Figure 17a-b. The alunites at Riaza, Spain are from |  | Franchini, Marta, Impiccini, Agnes, Lentz, David, Ríos, Francisco Javier, O'Leary, Sol, Pons, Josefina, Schalamuk, Abel Isidoro (2011) Porphyry to epithermal transition in the Agua Rica polymetallic deposit, Catamarca, Argentina: An integrated petrologic analysis of ore and alteration parageneses. Ore Geology Reviews, 41 (1) 49-74 doi:10.1016/j.oregeorev.2011.06.010 | Journal (article/letter/editorial) | | alunite (svanbergite + woodhouseite) ± diaspore ± zunyite as breccia cement along with abundant covellite...sphalerite; Py = pyrite; Prl = pyrophyllite; and Zun = zunyite. that also has an intergrown submicroscopic, cloudy...fragments C with hydrothermal infill D (alunite, zunyite, diaspore, various generations of pyrite, emplectite...+ pyrite + enargite + alunite with diaspore + zunyite B. g) and h): Intensely fractured and altered porphyry...the presence of pyrophyllite, alunite, diaspore, zunyite, and native sulfur as the most abundant minerals |  | Dill, H. G., Bosse, H.-R., Henning, K.-H., Fricke, A., Ahrendt, H. (1997) Mineralogical and chemical variations in hypogene and supergene kaolin deposits in a mobile fold belt the Central Andes of northwestern Peru. Mineralium Deposita, 32 (2) 149-163 doi:10.1007/s001260050081 | Journal (article/letter/editorial) | | Kaolinite Kaolinite, quartz Goethite Pyrophyllite, zunyite, topaz Feldspar, smectite Formacion Casma Lower...where pyrophyllite is present; traces of topaz and zunyite are also present. At Yolanda smectite, is more...in the solution: tivity. Topaz Al2Si(F,OH)2 and zunyite Al13F4Cl muscovite 4 H H4 SiO4 (SiO4)5(OH)4, which...Fluid inclusion studies of the Rodalquilar gold alunite deposit, Spain, by Arribas et al. (1995) yielded...venting (La Noemia). F and Cl contained in topaz and zunyite contributed to this explosive activity. The La |  | | Report (issue) | | acid-sulfate environments: Rodalquilar gold alunite deposit, Almeria, Spain The Rodalquilar gold-alunite deposit...deposit (Almeria, S.E. Spain) has recently been studied by Rytuba et al. (1988) and Arribas et al. (1988)...of Miocene hydrothermal systems in this part of Spain). The high 5D values reflect the proximity of the...hydrothermal system. This study is sponsored by the U.S./Spain Joint Committee for Scientific and Technical Cooperation...Rye, R.O., and Arribas, A., 1988, Rodalquilar deposits (S.E. Spain), first example of caldera-related |  | | Journal (article/letter/editorial) | | characterised by kaolinite, alunite (Fig. 6a), zunyite (Fig. 6b), pyrophyllite, diaspore and corundum...andesite (MK4, crossed polars; scale bar50?5 mm); b zunyite crystals in altered andesite (MK3, plane polarised...this category are such ‘classic’ deposits as Rodalquilar (Spain),3 Summitville (Colorado),20,62 Lepanto (Phillipines)...and isotope geochemistry of the Rodalquilar gold alunite deposit, Spain’, Econ. Geol., 1995, 90, 795–822 |  | So, Chil-Sup, Zhang Dequan, , Yun, Seong-Taek, Li Daxing, (1998) Alteration-mineralization zoning and fluid inclusions of the high sulfidation epithermal Cu-Au mineralization at Zijinshan, Fujian Province, China. Economic Geology, 93 (7) 961-980 doi:10.2113/gsecongeo.93.7.961 | Journal (article/letter/editorial) | | zonegiveswayupwardto a diekite+ quartz + pyrite+ zunyite+ serieiteassemblage in the diekitealteration zoneandsuccessively... Py= pyrite,Rt = ruffle, Ser = sericite,Zun = zunyite 968 so ET AL. TABLE 2. Chemical Compositions...0.07 34.52 0.39 2.933 0.02 35.48 0.05 1.783 Zunyite 1101 D 0.12 0.00 0.95 0.03 G 24.24 0.06 57.85...1-1.9 wt % NaC1;Fig. 11), indicating Summitville, Spain,Arribaset al., thattheZijinshan fluidshaveevolved...mainlythrough cooling Peru,Deenet al., 1994;Rodalquilar, anddilutionasthesystem waned.We believethatthecooling |  | | Report (issue) | | ___________________———— France ________________________ Spain ________________________ Italy _________________________...occasionally containing minor pyrophyllite, diaspore, and zunyite; (4) outer argillic zone containing quartz, kaolinite...Greece, Iran, Japan, Pakistan, Republic of Korea, Spain, and Turkey. INTRODUCTION HISTORICAL BACKGROUND...and less commonly with pyrophyllite, diaspore, zunyite, and other alteration minerals. These alunitized...RESOURCES—ALUNITE monly, pyrophyllite, diaspore, and zunyite also may be present. This material is a less likely |  | | Journal (article/letter/editorial) | | e type of alteration. Pyrophyllite,andalusite,zunyite,and diasporeoccurlocallywith alunite. Anhydriteis...as Cochiti, New Mexico (Bundy, 1958), and Rodalquilar,Spain (Lodder, 1966). Volcanicsof intermediatecompositionoccurin...vermiculite and chlorite-bearing subzones. At Rodalquilar, pyrophyllite occurs adjacent to the alunite-quartzzone...Survey Bull. 511, 64 p. alteration near Rodalquilar, S. E. Spain, 1966: Geologisch Callaghan,Eugene,1938 |  | | Journal (article/letter/editorial) | | the Riaza alunite-kaolinite deposit in central Spain, forms white to beige, fine-grained ( < 2 0 - 5...alunite with dickite, diaspore, pyrophyllite and zunyite in the advanced argillic zone that surrounds Au-mineralized...G (HF) Riaza alunitekaolinite deposit, central Spain Deposit and location AAR3 (8-5) Sample no. TABLE...from the Riaza alunite-kaolinite deposit, central Spain, and Akaiwa high-sulfidation epithermal deposit... native sulfur, woodhouseite-svanbergite, and zunyite. Alunite is rarely the pure potassium endmember |  | | Journal (article/letter/editorial) | | RF method to map gold prospectivity in southern Spain. Carranza and Laborte (2015a, 2015b, 2015c) tested...3. Rodriguez-Galiano et al. (2015) chose the Rodalquilar mining district as a case study area to test...between 350 and 1200 m, a dickite– quartz–pyrite–zunyite assemblage at middle levels, and alunite– quartz–pyrite...random forest: a case study on the Rodalquilar area, Southern Spain. Int. J. Geogr. Inf. Sci. 28, 1336–1354 |  | | Journal (article/letter/editorial) | | whicharepyriterichsuch asat E1Salvador, Chile;Rodalquilar, Spain;andGoldfield,Nevada.Supergene alunitenor-...presenceof coevalpyrite, PO4analogues of alunite,zunyite,andlater gold,pyriteandenargite,andoftenotherCu-AsSb-Sminerals...Pilo-Pliestocene Permian x X Sadler Riaza WoodbineFm., TX Spain ? 12 to 18 Ma? None None X X Chino MineralPark... Underlying Moporphyry Cuporphyry X x Rodalquilar Spain 10.8 to 3.5 Ma Au X x Goldfield Nevada...beendatedat 25.9to 26.6Ma(Sander, 1988).Fergu- Rodalquilar, andRoundMountainfallcloseto,butto sonconsidered |  | | Journal (article/letter/editorial) | | alunite-(± aluminum phosphate-sulfate minerals)diaspore-zunyite-pyrophyllite-dickite, with residual muscovite....containing aluminum-phosphate-sulfate minerals and zunyite have a muscovite matrix. It is probable that even...associated with andalusite, diaspore, rutile, and zunyite. The occurrence of pyrophyllite is distinctly different...and florencite) also occur (Appendix Fig. A3). Zunyite is generally euhedral, although quartz and alunite...phosphate-sulfate or aluminum-phosphate minerals)-diaspore-zunyite-pyrophyllitedickite. One of the breccia dikes extends |  | | Journal (article/letter/editorial) | | Aqueous A1 values A12Oa;alunite,KAla(SO4)a(OH)6; zunyite,Ala- were typically more than two orders of magnitude...graphicalrelationshipsfluoride and chlorideadded,zunyite or topaz may be from the standpointof geologicaland...pyrophyllite-andalusite-quartz and pyrophyllitequilar, Spain (Lodder, 1966). A number of Soviet andalusite-diaspore...represent two modes of origin. The these deposits,with zunyite present in some. Pyro- andalusiteat high levelsis...genesis: Inst. Mining Metalalteration near Rodalquilar, S. E. Spain: GeologischInst., lurgy Geol. Soc. London |  | Chouinard, A., Williams-Jones, A. E., Leonardson, R. W., Hodgson, C. J., Silva, P., Tellez, C., Vega, J., Rojas, F. (2005) Geology and Genesis of the Multistage High-Sulfidation Epithermal Pascua Au-Ag-Cu Deposit, Chile and Argentina. Economic Geology, 100 (3) 463-490 doi:10.2113/gsecongeo.100.3.463 | Journal (article/letter/editorial) | | of dickite or kaolinite and is associated with zunyite and diaspore. Some of the quartz in stage II was...for example, by Arribas et al. (1995) at Rodalquilar (Spain) and by Hedenquist et al. (1998) at Far Southeast...the El Indio deposit, Jannas et al., 1990; and Rodalquilar, Arribas et al., 1995). Moreover, the gold stage...stable isotope geochemistry of the Rodalquilar Au alunite deposit, Spain: ECONOMIC GEOLOGY, v. 90, p. 795–822 |  | | Journal (article/letter/editorial) | | from Summitville (Gray and Coolbaugh, 1994) and Rodalquilar (Arribas et al., 1995) from Table 6, and the...quartz-pyrophyllite-pyrite ± topaz ± fluorite ± zunyite ± woodhouseite ± sericite ± barite to a zone of...and isotope geochemistry of the Rodalquilar gold alunite deposit, Spain: ECONOMIC GEOLOGY, v. 90, p. 795–822 |  | Hedenquist, Jeffrey W., Matsuhisa, Yukihiro, Izawa, Eiji, White, Noel C., Giggenbach, Werner F., Aoki, Masahiro (1994) Geology, geochemistry, and origin of high sulfidation Cu-Au mineralization in the Nansatsu District, Japan. Economic Geology, 89 (1) 1-30 doi:10.2113/gsecongeo.89.1.1 | Journal (article/letter/editorial) | | kaolinitcand/ordickitc,pyrophylliteand/ordiaspore _ zunyite(_ pyrite, _ barite), progressing outward throughillitc...1990;Oviedoet al., 1991),andmany andRodalquilar,Spain(seeCunningham et al., 1990, otherdeposits in Chile...geothermalactivity occursalong the northden(Hallberg,1994);Rodalquilar, Spain(Arribaset northeast-trendingKirishima volcanicbelt...veins (150ø-180øC) Summitville,Rye et al., 1992; Rodalquilar,Arribas, have•80 compositions indicating lighterisotopic...Cun1990, Mineralizedand unmineralizedcalderasin Spain;Part I, ningham,JimRytuba,Dick Sillitoe,SachihiroTaguevolutionof |  | | Journal (article/letter/editorial) | | dickite (dick), quartz (qtz), pyrophyllite (pyl), zunyite (zuny), hematite (hem), cristobalite (crstb), halloysite...stable isotope geochemistry of the Rodalquilar Au alunite deposit, Spain. Econ. Geol. 90, 795 – 822. Bennet |  | | Report (volume) | | native sulfur, anhydrite, and minor andalusite, zunyite, topaz, marcasite, and covellite are also formed...Kaolinite Dickite Pyrophyllite Diaspore Acidic Zunyite, topaz Anatase Rutile Cristobalite Quartz Pyrite...kaolinite, dickite, pyrophyllite, diaspore and zunyite, some of which are also temperature sensitive (Fig...vein-like masses or “ledges” (e.g., Nansatsu, Rodalquilar, Summitville). Although there are many minerals...district (Japan). European examples include Rodalquilar (Spain), Furtei (Italy), Lahoca (Hungary), Bor (Yugoslavia) |  | | Journal (article/letter/editorial) | | Alunite diaspore kaolinite pyrophyllite topaz zunyite high sulfidation 50 853 520 100 150 200 250...and isotope geochemistry of the Rodalquilar gold alunite deposit, Spain: Economic Geology, v. 90, p. 795–822 |  | | Journal (article/letter/editorial) | | been observed in contact with enargite. Quartz, zunyite, and alunite form an assemblage (typical of advanced...goethite and earthy hematite accompanied by alunite, zunyite, diaspore, and quartz. Pervasively advanced argillic-altered...alteration halo consisting of alunite, quartz, zunyite, and diaspore, typical of advanced argillic alteration...with alunite and quartz and with small amounts of zunyite, diaspore, and pyrite are also present. This advanced...occurring in the association alunite + quartz + zunyite + diaspore from advanced argillic altered halos |  | | Journal (article/letter/editorial) | | 5a), as well as trace amounts of pyrophyllite, zunyite, quartz, and, locally, tourmaline (in drillcore...and isotope geochemistry of the Rodalquilar gold-alunite deposit, Spain. Econ. Geol., 90, 795–822. Berger |
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