 | | Journal (article/letter/editorial) | | intrusion of tonalite at 2529 § 6 Ma. Laser 40Ar/39Ar dating of biotite and muscovite from the tonalite yields...heating experiments on K-feldspar from the same tonalite yields an age spectrum with older ages around...hematite–sericite–chlorite altered portions of the tonalite yield a poorly defined age of ca 1.6 Ga. Taken...Mesoproterozoic. Low temperature quartz–carbonate–adularia veins occur in <10 cm wide fractures within basalt...basalt in one drill hole in this region. Adularia from these veins yields 40Ar/39Ar ages that span from |  | | Report (issue) | | 18.4430 -64.4384 -64.5477 -64.5433 Tonalite Diorite Tonalite Zircon Whole rock Zircon TIMS Multigrain... -76.7171 Tonalite CU60 19.9464 -76.7173 Tonalite CU5 19.9558 -75.6786 Tonalite Zircon Biotite...Island. Four concordant fractions of BI-26, the tonalite phase of the Beef Island suite, span from 42.29...Unknown 76 39 3.8 4 Unknown 19.961 -75.676 Tonalite Unknown Unknown 54 5 Unknown Unknown Unknown...954 -75.7864 Quartz diorite Tonalite Quartz diorite Quartz diorite Tonalite Unknown Unknown Unknown Unknown |  | | Journal (volume) | | microcrystalline mica, spodumene and cookeite. Adularia, locally with high Rb content, replaces pollucite...(GeoRef Thesaurus, AGI): pollucite, analcime, adularia, cesium, granitic pegmatites, Finland David K...schist crop out on the margins. Granodiorite, tonalite, diorite and gabbro intrusions are mainly in the...coarse-grained core is rat her weil exposed in an old quarry, which is an 11 m long, 5 m wide and 2 m deep pit...bleb, (4) = Cs-rich veinlet , (A) = inc1usions in adularia, (C) = laie cesian analcime. Alteration of the |  | Molnár, Ferenc, O’Brien, Hugh, Lahaye, Yann, Käpyaho, Asko, Sorjonen-Ward, Peter, Hyodo, Hironobu, Sakellaris, Grigorios (2016) Signatures of Multiple Mineralization Processes in the Archean Orogenic Gold Deposit of the Pampalo Mine, Hattu Schist Belt, Eastern Finland. Economic Geology, 111 (7) 1659-1703 doi:10.2113/econgeo.111.7.1659 | Journal (article/letter/editorial) | | Fennoscandian Shield. The belt consists of 2.76 to 2.70 Ga tonalite, granodiorite, and leucogranite intruded into...time of the emplacement of feldspar porphyry and tonalite intrusions and dikes, at around 2.72 Ga. Albitization...gneisses basement Rämepuro Silvevaara pluton Tonalite Granodiorite Leucogranite Greywacke, epiclastic...Shield consists of several greenstone belts and tonalite-trondhjemitegranodiorite (TTG)-gneiss complexes...schist belt were associated with the emplacement of tonalite and granodiorite intrusions and produced antiformsynform |  | | Journal (article/letter/editorial) | | calc-alkaline to high-K calc-alkaline granodiorite-tonalite, microdiorite and quartz-feldspar porphyries and...relationships): hornblende-biotite granodiorite-tonalite porphyry, pyroxene-hornblende diorite porphyry... 2006, ORTELLI et al. 2009). The granodiorite-tonalite porphyry is the earliest intrusive phase in the...(2010) the biotite cooling age of the granodiorite-tonalite porphyry is 32.6 ± 0.5 Ma, and statistically overlap...telluride-bearing assemblages are associated with sericite-adularia alteration and overprint earlier high-sulfidation |  | Santos, João Orestes Schneider, Groves, David Ian, Hartmann, Léo Afraneo, Moura, Márcia Abrahão, McNaughton, Neal Jesse (2001) Gold deposits of the Tapajós and Alta Floresta Domains, Tapajós–Parima orogenic belt, Amazon Craton, Brazil. Mineralium Deposita, 36 (3) 278-299 doi:10.1007/s001260100172 | Journal (article/letter/editorial) | | batholiths with irregular shape, ranging from tonalite to syenogranite and dominated by unmetamorphosed...consists mainly of large, syn-tectonic, calc-alkaline tonalite bodies and associated tholeiitic metabasalts...component. The D2 deformation aected the 1,8943 Ma tonalite (Tropas Suite) at the Ouro Roxo deposit, but younger...Monzogranite Microtonalite Tu (rhyolitic) Meta-andesite Tonalite Quartz-wacke Sequeiro Tropas Siltstone Granite...Meta-turbidite Jacareacanga Back-arc sequence Tonalite X X JO-51 MA-44 JO-59 Z Z Z 2,0981, 2,1061 |  | Juliani, Caetano, Rodrigues de Assis, Rafael, Virgínia Soares Monteiro, Lena, Marcello Dias Fernandes, Carlos, Eduardo Zimmermann da Silva Martins, José, Ricardo Costa e Costa, Jhoseph (2021) Gold in Paleoproterozoic (2.1 to 1.77 Ga) Continental Magmatic Arcs at the Tapajós and Juruena Mineral Provinces (Amazonian Craton, Brazil): A New Frontier for the Exploration of Epithermal–Porphyry and Related Deposits. Minerals, 11 (7) 714 doi:10.3390/min11070714 | Journal (article/letter/editorial) | | Low-sulfidation alteration zones typically have adularia and illite or sericite. Chalcopyrite, sphalerite...granites are less abundant, predominating diorite, tonalite, and granodiorite, usually with mafic xenoliths...monzogranite to tonalite [11]. The SHRIMP U–Pb zircon crystallization ages of the tonalite gneiss range...[75], and Guarantã adakite-like granodiorite and tonalite (1.90–1.89 Ga; [63,76,77]. A 1.93 Ga metamafic–metaultramafic...(Coringa deposit); (H) Adularia that replaced igneous feldspar crystals from adularia–sericite halo associated |  | | Report (issue) | | Low sulfide quartz Au 5.4 Epithermal Au, quartz adularia type 5.5 Epithermal Au, quartz alunite type 5...magnetite clinopyroxenite, olivine gabbro, norite, tonalite, diorite. Textures layered. Age Range Cumulus...GEOLOGICAL ENVIRONMENT Rock Types Quartz monzonite to tonalite intrusives and breccia pipes into older batholithic...country rocks are calcareous sediments; diabase tonalite or diorite. Weathering Intense leaching of surface...Sillitoe, 1979 GEOLOGICAL ENVIRONMENT Rock Types Tonalite, quartz monzonite; dacite, andesite flows and |  | Chambefort, I., Lewis, B., Simpson, M. P., Bignall, G., Rae, A. J., Ganefianto, N. (2017) Ngatamariki Geothermal System: Magmatic to Epithermal Transition in the Taupo Volcanic Zone, New Zealand. Economic Geology, 112 (2) 319-346 doi:10.2113/econgeo.112.2.319 | Journal (article/letter/editorial) | | plutonic body comprising intrusions of diorite to tonalite was encountered in three adjacent drill holes...lava and breccia succession A Quartz-phyric tonalite Tahorakuri Formation - sedimentary succession...(U-Pb, zircon; Fig. 4) by a gray-white porphyritic tonalite hosting diorite xenoliths (Chambefort et al.,...hornblende of 710 ± 70 Ka (Arehart et al., 2002). The tonalite has myrmekitic intergrowths of skeletal quartz...which are hydrothermally altered, intrude the tonalite and overlying silicic tuffs. The Tahorakuri Formation |  | | Journal (article/letter/editorial) | | Pahang Volcanic Series. Fine- to coarse- grained tonalite and quartz porphyry intruded this unit. The main...stockwork of quartz - carbonate veins affiliated with tonalite; and (iii) gold often associated with arsenopyrite...deposit consists of nine major subparallel quartz- adularia - carbonate veins with very low sulfide content...of rock-forming minerals in copper-gold-bearing tonalite porphyries at the Batu Hijau deposit, Sumbawa...emplacement of multiple stages of tonalite porphyries. The tonalite porphyries can be texturally divided |  | | Journal (article/letter/editorial) | | and ESE-striking faults, intrusion of high-level tonalite stocks, and several phases of basaltic andesite...of a volcanic-epithermal hydrothermal system (adularia-sericite-quartz type), of Cretaceous age, rather...petrographic grounds only, to be the same age as a large tonalite pluton on Barnard Point 10 km to the southeast...Byers Peninsula structural trends: Barnard Point tonalite 46±2 Ma Joints and faults n=35 Dykes n=64 structural...thinner interbeds of green sandstone and interleaved tonalite. The breccias on Moores Peak are interpreted as |  | | Report (issue) | | an inner porphyritic tonalite to quartz monzonite margin, and a central tonalite-granodiorite core. The...hydrothermal alteration associated with quartz-calcite-adularia veins which parallel the rhyolite bodies and locally...introduction of adularia and albite along vein walls are noted in ore-bearing veins. Presence of adularia is suggested...been accomplished by conversion of plagioclase to adularia by potassium metasomatism. Mineralogy The ore...gangue minerals are quartz, varicolored calcite, adularia, chlorite, and minor fluorite. Pyrite is fairly |  | | Journal (article/letter/editorial) | | Cr-spinel from the Pohorje Massif, Eastern Alps, Slovenia. In these rocks, turquoise-colored Cr-rich kyanites...ESE–WNW-striking antiform containing the Pohorje tonalite-granodiorite in its core, which was emplaced during...(EDX), garnet, and kaersutite; K, Al, Si (EDX), adularia; Ca, Ti (EDX), titanite; Cr (EDX), chromite; Mn...determination, a muscovite standard was used instead of adularia for Si to ensure a similar matrix for analyses...easternmost segment of theperiadriatic fault system (Slovenia and Croatia). Mineralogy and Petrology, 54, 225–247 |  | Boiron, M.C, Cathelineau, M, Banks, D.A, Buschaert, S, Fourcade, S, Coulibaly, Y, Michelot, J.L, Boyce, A (2002) Fluid transfers at a basement/cover interface. Chemical Geology, 192 (1) 121-140 doi:10.1016/s0009-2541(02)00191-2 | Journal (article/letter/editorial) | | [sample CIV 107 – 1016 (253.73 – 254 m)]. (B) Adularia (Adul) – Dolomite (Dol) – Barite (Ba) – late calcite...specific order within a mineral sequence: hematite – adularia/quartz/dolomite ( F fluorite and barite F Cu,...3/892.5 800.00 855.5/855.8 115.25 Quartz tonalite Tonalite Quartz monzodiorite Microdiorite Monzogranite...monzodiorite Tonalite Tonalite Tonalite Tonalite Fine-grained granite Sedimentary cover adularia – dolomite...chalcopyrite adularia – dolomite – barite dolomite – barite – chalcopyrite – pyrite adularia – dolomite |  | | Journal (article/letter/editorial) | | Andacollo is shownin Table1. The QuebradaMarquesa adularia-sericite type,arehosted byLowerCretaceous volca-...deposits(Llaumet, Ar ages,Reyes,1991)of granodiorite-tonalite composition 1983;Mtiller, 1986;Camus,1990;Reyes...+ + + I 0 LEGEND 1 2Km ++++++J DIORITE/TONALITE TERTIARY [[ JRECENT ALLUVIUM AND GRAVELS QUATERNARYI'o...Cu-Au-Pb Propylitic Alcaparra Au-Cu-Zn-Pb Propylitic, adularia, Tres Churrumata 300 680 Chisperos, Floridor...Bahamondes,Au-Cu-Zn-Pb Fragua Juanita, Propylitic, adularia, Toro: 325, calcite, kaolinitc Bahamondes:330 |  | | Journal (article/letter/editorial) | | occur over the 5 x 11 km mapped in Barnard Point tonalite pluton. Assemblage (1) comprises shallowly dipping...(230 km 2) in the South Shetland Islands. The tonalite pluton on Barnard Point (Fig. 1) was described...system reinterpreted it as an epithermal system of adularia-sericite type, possibly related to mid- to late...(Willan 1994) i.e. pre-dating the Barnard Point tonalite by about 60 Ma. Although porphyry complexes and...associated, the relationship between porphyry and adularia-sericite systems is controversial (Sillitoe 1992) |  | Kesler, S. E., Hall, C. M., Russell, N., Pinero, E., Sanchez, R. C., Perez, M. R., Moreira, J. (2004) Age of the Camaguey Gold-Silver District, Cuba: Tectonic Evolution and Preservation of Epithermal Mineralization in Volcanic Arcs. Economic Geology, 99 (5) 869-886 doi:10.2113/gsecongeo.99.5.869 | Journal (article/letter/editorial) | | cooled through Ar/Ar closure temperatures for adularia and muscovite at about 71 Ma and are slightly...batholith: an early gabbro-plagiogranite or gabbro-tonalite, a syenite of intermediate age, and a later granodiorite...unit, consists of basaltic andesite exposed in a quarry between Camagüey and Nuevitas, as well as a few...consist of crustiform layers of quartz with minor adularia, calcite (commonly bladed), pyrite, gold, and...separates were run as single crystals in the case of adularia 0361-0128/98/000/000-00 $6.00 875 from Jacinto |  | Reid, K. D., Ansdell, K., Jiricka, D., Witt, G., Card, C. (2014) Regional Setting, Geology, and Paragenesis of the Centennial Unconformity-Related Uranium Deposit, Athabasca Basin, Saskatchewan, Canada. Economic Geology, 109 (3) 539-566 doi:10.2113/econgeo.109.3.539 | Journal (article/letter/editorial) | | by mafic intrusive rocks with lesser amounts of tonalite that are interpreted to be part of the Taltson...2008) and are thus considered to be correlative. Tonalite, which is interpreted to be part of either the...amphibolite facies in the Virgin River shear zone. Tonalite and diabase of the Taltson magmatic zone are represented...rocks is considered coeval to the transposition of tonalite and mafic intrusive rocks to the west. West of...Diabase/retrogressed Lake tonalite Mafic Intrusives Quartz diorite suite Retrogressed tonalite Virgin River Domain |  | | Journal (article/letter/editorial) | | various species of zeolite. The veins of the Arvigo quarry are convincing evidence that fracture fluids in...Central Alps. The samples were collected in an active quarry in Arvigo (Val Calanca, Switzerland; Fig. 1). They...granite gneiss is mined as building stones in a quarry south of the Arvigo (Fig. 1). The gneisses generally...brecciated due to late stage deformation. The Arvigo quarry is famous for a large number of Alpine fissure...(Table 1). The major fissure minerals quartz, adularia, epidote, prehnite and zeolite are present in |  | | Report (chapter) | | GDG = Granitoid rock (granite, granodiorite and tonalite)-diorite-gabbro GP = Granite-pegmatite GSDG =...zone Strängnäs Radiometric dating 40 Ar- 39Ar (adularia, K-feldspar), hydrothermal event age Katrineholm...component of movement in protomylonitic gneissic tonalite belonging to the diorite, gabbro and ultramafic...heating Stepwise heating Mineral Adularia Adularia Adularia Adularia K-feldspar Biotite Biotite Biotite...Volcanic rock Granodiorite Tonalite Schist Granite Amphibolite Schist Granite Tonalite Granite N_SWEREF Downloaded |  | | Report (issue) | | arsenopyrite, marcasite, quartz, chalcedony, adularia, calcite. Hydrothermal alteration, particularly...The highest ore grades are in quartzchalcedony-adularia-calcite veins. Two sets of fractures control vein... arsenopyrite, marcasite, quartz, chalcedony, adularia, calcite, siderite. Hydrothermal alteration, particularly...ROCK: NAME LITHOLOGY AGE Chelan Complex tonalite and tonalite gneiss Cretaceous COMMODIDES ORE MINERALS...intruded by numerous tonalitic plutons. These massive tonalite plutons were again metamorphosed in latest Cretaceous |  | | Journal (article/letter/editorial) | | $OHNVDQGUD*DZĊGDDQG5RPDQ:áRG\ND lite, were noted in tonalite and granodiorite of the Malá Fatra Mountains....KOHUT & JANÁK 1994). The common Tatra granodiorite-tonalite forms a major WRQJXHVKDSHG LQWUXVLRQ GDWHG...D &RPPRQ7DWUDJUDQLWH Two-mica granodiorite-tonalite, the common Tatra type (KOHUT & JANÁK 1994), is...titanite and plagioclase by albite and K-feldspar (adularia). F-NJBM_190-1_S001-108.indb 38 Actinolite group...hydrogarnet, epidote, prehnite, pumpellyite, laumontite, adularia, FDOFLWHDQGRU)H7LR[LGHVLQOHQVHVYHLQV |  | Zeng, Nanshi, Izawa, Eiji, Watanabe, Koichiro, Motomura, Yoshinobu (2010) Hydrothermal Alteration Related to Silver Mineralization at the Iwami Silver Deposit, Shimane Prefecture, Japan. Resource Geology, 60 (3) 234-248 doi:10.1111/j.1751-3928.2010.00129.x | Journal (article/letter/editorial) | | broad smectite zone. Because of boiling, abundant adularia associated with silver mineralization overlaps...40Ar/39Ar dating was carried out using biotite and adularia. A least-altered dacite sample (02081012) and...smectite. The sample 22-2 contains a large amount of adularia with a small amount of illite. The samples were...and stained by chemicals to clarify the part of adularia. The rock slices were crushed, and the yellow...were sieved. The resultant powder consisted of adularia (probably more than 50%) and quartz. 40 Ar/39Ar |  | Yang, Fuquan, Mao, Jingwen, Bierlein, Frank P., Pirajno, Franco, Zhao, Caisheng, Ye, Huishou, Liu, Feng (2009) A review of the geological characteristics and geodynamic mechanisms of Late Paleozoic epithermal gold deposits in North Xinjiang, China. Ore Geology Reviews, 35 (2) 217-234 doi:10.1016/j.oregeorev.2008.09.003 | Journal (article/letter/editorial) | | rocks. Alteration assemblages are dominated by adularia–chalcedony–sericite for low-sulfidation gold deposits...pyrrhotite Chalcedony, quartz, calcite, sericite, adularia Quartz, calcite, sericite, chlorite, epidote ...arsenopyrite, native gold Quartz, chalcedony, adularia, montmorillonite, calcite, sericite, chlorite...adularization Pyrite, native gold Quartz, sericite, adularia D1 intermediate-felsic tuff of the Zhuomubasitao...electrum, native gold Quartz, chalcedony, 1000 m; adularia, calcite, 11–15 m sericite, chlorite (up to 35 |  | | Journal (article/letter/editorial) | | recently,the volcano-sedimentary sequence and tonalite, and La Luz volcanic rocks. The mafic tectonicslabswerefirst...GuanajuatoConglomerate. It consistsof diorites, tonalite (Cerro Pe16n),and dikesof varyingcomposition(Martinez...contemporaneouswith the La Luz unit. The plagiogranite(tonalite) of Cerro Pe16n,datedat 157 _ 8.8 Ma, and the...quartz, adularia, and traces of Ag and Au. 2. Ore: (a).Earlysilver-richassemblages--quartz, adularia,sericite...shootswere dominatedby acanthite,pyrite, calcite,adularia,sericite,and quartz, whereas the deepore at the |
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