CANADIAN AND WORLD MINERAL DEPOSIT DATABASES
Geological Survey of Canada


DEPNO COUNTRY LOCATION ALLNAMES COMMODITIES
81 Australia (Western Australia) 32.10 S -- 121.46.48 E Royal Au

Database name: World Lode Gold Database
Custodial agency: Geological Survey of Canada
Compilers: Patrice Gosselin and Benoît Dubé
Release date: 2007-03-03
   
Deposit name(s): Royal
Political location(s): Australia; Province or state: Western Australia; Nearest community: Norseman (8 km N)
Deposit clan (type): greenstone
Deposit (sub) types: qtz-cb shear-zone-related
Deposit status: past producer; Status comments: 1997 production included in Norseman (#24) production. Compiler presumes that Royal assets were sold to Croesus Mining NL by Central Norseman Gold Corp. at the same time as Norseman assets.
Geologic province: Yilgarn
Geologic subprovince: Norseman-Wiluna
Geologic district: Norseman area
Commodities: Au
Mineralization styles: quartz veins and veinlets; disseminated sulphide
Geological ages: Late Archean (host rocks)
Late Archean (mineralization)
Tectonic setting: greenstone belt
Coincident features: fault zone (N-trending, shallow to moderate dip reverse shear zone); Coincident feature name: North Royal Fault Zone
fault zone (NW-trending, brittle-ductile to ductile, steeply dipping dextral strike-slip fault); Coincident feature name: Princess Royal Fault Zone
lithology (competency of the gabbro dikes with surrounding rocks allowed for more fracturing in gabbro)
Regional tectonic structure: fault(s) (major NNW-trending fault corridor)
fold(s) (broad regional anticline) Tectonic structure name: Penneshaw Regional Anticline
Host rocks: (1) intrusive; gabbro suite; Metamorphic grade: upper greenschist
Individual lithologies:gabbro

(2) volcanic; mafic volcanic rocks; Magma series/sedimentary package/metamorphic group: tholeiitic; Metamorphic grade: upper greenschist
External host rock forms:flow(s)
Internal host rock structures:pillowed
Individual lithologies:basalt
Related igneous rocks: (1) intrusive; gabbro suite (dyke hosting ore)
Individual lithologies:gabbro (dyke hosting ore)
Country rocks: (1) basalt; Metamorphic grade: upper greenschist
(2) gabbro; Metamorphic grade: upper greenschist
(3) iron formation; Metamorphic grade: upper greenschist
(4) chert; Metamorphic grade: upper greenschist
(5) schist; Metamorphic grade: upper greenschist
(6) wacke; Metamorphic grade: upper greenschist
(7) slate; Metamorphic grade: upper greenschist
(8) lamprophyre; Metamorphic grade: varying
(9) pegmatite; Metamorphic grade: varying
(10) granite
(11) granodiorite
(12) komatiite; Metamorphic grade: upper greenschist
(13) felsic volcanics; Metamorphic grade: upper greenschist
(14) felsic volcaniclatics; Metamorphic grade: upper greenschist
(15) dolerite; Metamorphic grade: upper greenschist
(16) pyroxenite; Metamorphic grade: upper greenschist
(17) norite
(18) quartz-feldspar porphyry
Metallogenic signatures: Au-Ag-As-Cu-Te-Bi
Alteration signatures: biotite alteration: biotite-plagioclase-quartz-calcite; What was altered: mafic rocks, inner alteration
chlorite alteration: chlorite-calcite-quartz; What was altered: ultramafic+mafic rocks, outer alteration
Mineralogy: (gangue): quartz, carbonate, chlorite, biotite, fuchsite, tremolite, plagioclase
(ore mineral): arsenopyrite, pyrrhotite, pyrite, chalcopyrite, marcasite, sphalerite, galena, altaite
Radiometric ages: Object dated: Host Rocks(2); Age - Ma: 2,706; +5; -5; Dating method: U-Pb; Concentrate: zircon; Source rock: basalt; Formal name: Noganyer Formation; Event dated: host rock; Interpretive comment: age of stratigraphic bottom of the mafic volcanics sequence; Reference: Campbell, I. H.; Hill, R. I., 1988: A two-stage model for the formation of the granite-greenstone terrains of the Kalgoorlie-Norseman area, Western Australia; Earth and Planetary Science Letters, Volume 90, p. 11 - 25

Object dated: Host Rocks(2); Age - Ma: 2,689; +7; -7; Dating method: U-Pb; Concentrate: zircon; Source rock: mafic volcanics; Formal name: Mt. Kirk Formation; Event dated: host rock; Interpretive comment: age of upper stratigraphic unit of mafic volcanic sequence; Reference: Campbell, I. H.; Hill, R. I., 1988: A two-stage model for the formation of the granite-greenstone terrains of the Kalgoorlie-Norseman area, Western Australia; Earth and Planetary Science Letters, Volume 90, p. 11 - 25

Object dated: Country Rocks(9); Age - Ma: 2,615; +14; -14; Dating method: Ar-Ar; Concentrate: muscovite; Source rock: pegmatite; Event dated: country rock (intrusion); Interpretive comment: pegmatite dykes crosscutting ore zones at the Scotia Mine; Reference: Kent, A. J. R.; McCuaig, T. C., 1997: Disturbed 40Ar-39Ar systematics in hydrothermal biotite and hornblende atthe Scotia gold mine, Western Australia: Evidence for argon loss associated with post-mineralisation fluid movement; Geochimica et Cosmochimica Acta, Volume 61, p. 4655 - 4669

Object dated: Country Rocks(9); Age - Ma: 2,593; +12; -12; Dating method: Ar-Ar; Concentrate: muscovite; Source rock: pegmatite; Event dated: country rock (intrusion); Interpretive comment: pegmatite dykes crosscutting ore zones at the Scotia Mine; Reference: Kent, A. J. R.; McCuaig, T. C., 1997: Disturbed 40Ar-39Ar systematics in hydrothermal biotite and hornblende atthe Scotia gold mine, Western Australia: Evidence for argon loss associated with post-mineralisation fluid movement; Geochimica et Cosmochimica Acta, Volume 61, p. 4655 - 4669

Object dated: Host Rocks(1); Age - Ma: 2,714; +5; -5; Dating method: U-Pb; Concentrate: unknown; Source rock: gabbro; Event dated: host rock; Interpretive comment: sourcerock: gabbroic intrusion at Norseman into the Woolyeenyer Formation; Reference: Hill, R. I.; Chappell, B. W.; Campbell, I. H., 1992: Late Archaean granites of the southeastern Yilgarn Block, Western Australia: Age, geochemistry and origin; Royal Society of Edinburgh: Earth Sciences, Volume 83, p. 211 - 226

Object dated: Country Rocks(9); Age - Ma: 2,620; +36; -36; Dating method: Sm-Nd; Concentrate: albite; Source rock: pegmatite; Event dated: country rock (intrusion); Interpretive comment: pegmatite dykes, concentrate = garnet-albite; Reference: Kent, A. J. R.; Cassidy, K. F.; Fanning, C. M., 1996: Gold mineralisation synchronous with the final stages of cratonisation, Yilgarn Craton, Western Australia: Evidence from Sm-Nd and U-Pb age of crosscutting (post-gold) dykes; Geology, Volume 24, p. 879 - 882

Object dated: Country Rocks(10); Age - Ma: 2,691; +8; -8; Dating method: U-Pb; Concentrate: zircon; Source rock: granite; Formal name: Stennet Rocks; Event dated: country rock (intrusion); Interpretive comment: age of granitoid magmatism, 50 km SSW of Norseman; Reference: Campbell, I. H.; Hill, R. I., 1988: A two-stage model for the formation of the granite-greenstone terrains of the Kalgoorlie-Norseman area, Western Australia; Earth and Planetary Science Letters, Volume 90, p. 11 - 25

Object dated: Country Rocks(11); Age - Ma: 2,650; Dating method: Pb-Pb; Concentrate: unknown; Source rock: granodiorite; Formal name: Eastern granite batholith; Event dated: country rock (intrusion); Reference: Oversby, V. M., 1975: Lead isotope systematics and ages of Archaean acid intrusives in the Kalgoorlie-Norseman area, Western Australia; Geochimica et Cosmochimica Acta, Volume 39, p. 1107 - 1125

Object dated: Country Rocks(17); Age - Ma: 2,411; +55; -55; Dating method: Sm-Nd; Concentrate: unknown; Source rock: norite; Formal name: Jimberlana dike; Event dated: country rock (intrusion); Interpretive comment: dyke cutting across all structures in the district, minimum age for mineralization; Reference: Fletcher, I. R.; Libby, W. G.; Rosman, K. J. R., 1987: Sm-Nd dating of the 2411 Ma Jimberlana dyke, Yilgarn Block, Western Australia; Australian Journal of Earth Sciences, Volume 34, p. 523 - 525
References:
Ewers, G. R.; Ryburn, R. J., 1997
Norseman Goldfield (CNGC), #295
OZMIN database, CD-ROM

Kent, A. J. R.; McCuaig, T. C., 1997
Disturbed 40Ar-39Ar systematics in hydrothermal biotite and hornblende atthe Scotia gold mine, Western Australia: Evidence for argon loss associated with post-mineralisation fluid movement
Geochimica et Cosmochimica Acta, Volume 61, p. 4655 - 4669

Mueller, A. G., 1992
Petrogenesis of amphibole-biotite-calcite-plagioclase alteration and laminated gold-silver-quartz veins in four Archean shear zones of the Norseman district, Western Australia
Canadian Journal of Earth Sciences, Volume 29, p. 388 - 417

Thomas, A.; Johnson, K.; MacGeehan, P. J., 1990
Norseman gold deposits
Chapter 2 section 2.5, Section Gold deposits, Noseman-Wiluna belt, Yilgarn Craton, In Geology of the mineral deposits of Australia and Papua New Guinea (2 Volumes), Edited by Hughes, F. E., Monograph, Australasian Institute of Mining and Metallurgy, 14, 1828 p., p. 493 - 504

Vincent, R.; Robert, F.; Poulsen, K. H.; Garson, D. F.; Jenkins, C. L.; Blonde, J. A., 1997
Index-Level Database for Lode Gold Deposits of the World
Open File Report, diskette

Production data: Report period: from 1988-01-01 until 1996-12-31 metal; Provisional entry?: yes
Weight-commodity information:Au: 203,000 troy ounce
Reference: Archer, N. R.; Turner, B. J., 1998: Norseman gold deposits; In Geology of Australian and Papua New Guinean mineral deposits, Edited by Berkman, D. A.; Mackenzie, D. H., Monograph Series, Australasian Institute of Mining and Metallurgy, 22, 894 p., p. 265 - 272
Percent weights allocated to deposit: 0.0%



Report period: from 1956 until 1987; 926,000 metric ton ore; Provisional entry?: yes
Grade-commodity information:Au: 15.4 grams/metric ton
Reference: Thomas, A.; Johnson, K.; MacGeehan, P. J., 1990: Norseman gold deposits; Chapter 2 section 2.5, Section Gold deposits, Noseman-Wiluna belt, Yilgarn Craton, In Geology of the mineral deposits of Australia and Papua New Guinea (2 Volumes), Edited by Hughes, F. E., Monograph, Australasian Institute of Mining and Metallurgy, 14, 1828 p., p. 493 - 504
Percent weights allocated to deposit: 0.0%



Report period: from 1894 until 1924; 1,889,941 metric ton ore; Provisional entry?: yes
Grade-commodity information:Au: 23.4 grams/metric ton
Reference: Thomas, A.; Johnson, K.; MacGeehan, P. J., 1990: Norseman gold deposits; Chapter 2 section 2.5, Section Gold deposits, Noseman-Wiluna belt, Yilgarn Craton, In Geology of the mineral deposits of Australia and Papua New Guinea (2 Volumes), Edited by Hughes, F. E., Monograph, Australasian Institute of Mining and Metallurgy, 14, 1828 p., p. 493 - 504
Percent weights allocated to deposit: 0.0%
Associated mine(s): Princess Royal (106), North Royal (107)

Generated 2007-03-14 12:06:19 PM with GQuery -- 3.7 ADO (3.19/3.20/3.21 -- 2006-02-24)
GlobalDB System, Geological Survey of Canada, Natural Resources Canada