280 320 320 320 300 320 300 300 280 280 280 280 300 320 300 300 300 320 300 300 300 320 300 320 320 340 300 300 300 340 320 320 320 300 300 320 320 320 340 320 300 280 280 300 300 300 280 280 280 280 280 260 260 260 240 300 320 300 280 300 320 300 320 260 260 280 260 280 260 260 240 260 240 240 240 240 320 ROAD FRASER FRASER RANGE ROAD FRASER RANGE RANGE ROAD Southern Hills Homestead 64 km Coolgardie Esperance Highway 52 km FRASER RANGE ROAD Double Tank Waterhole Cowalinya Pool (PD) Waterhole (PD) Pool Waterhole Tank ìod ìod ìod ìod ìod ìod ìod ñgm ñgcbs ñgmp ñgmw ñg ñg ñmgn ñmgss ñmgss ñmnfg ñxmgm-mw ñmwa ñmwa ñmwa ñmwa ñmg ìod ñmgn ñgmb ñmnqf ñxmnqf-mw ñxmnqf-mwa ñxmnqf-mwa ñxmnqf-mwa ñxmnqf-mwa è10 è20 è30 è40 è50 08 12 14 16 18 22 24 26 28 32 34 36 38 42 44 46 48 52 è10 è20 è30 è40 è50 12 14 16 18 22 24 26 28 32 34 36 38 42 44 46 48 52 ìå60 ìå70 ìå80 ìå90 ìè00 02 98 96 94 92 88 86 84 82 78 76 74 72 68 66 64 62 58 56 54 52 ìå50 ìå60 ìå70 ìå80 ìå90 ìè00 02 98 96 94 92 88 86 84 82 78 76 74 72 68 66 64 62 58 56 54 52 ìå50ôôôÜN è08ôôôÜE ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Ck Ck Ck Rk W A A C C Cg ñmgn Rz Wk Rc Rc L¥1 Rk L²2 Ak Ak Wg ñgcb ñmgn ñmwa A² A² Ck L² L¥1 W L¥2 L²2 L²2 W Ck Rk Rk ñgmp Rk L² L²2 L¥2 Rk Wg W Wq Wz Wk Wk A Wg Ck ñgmb Wq Wz Wk ñgcbs Wz Wg Rk C Wk ñgcbs L² ÞEU-s A² A² ÞEU-s L² L² ÞEU-s Rµ Rk ñg L²2 L¥e¨ L² L¥2 L¥2 L¯ L²2 L¥1 L¥1 L¯ L¯ L²2 L²2 A² A² L²2 ñmgn ñmwa ñmgnb Ck A² L²2 L²2 L¥1 L¥1 L¯ W C A Wk W Wg ñmg Rµ L²2 L¥2 Ck C Wz ñg W C Rk W Wk Ak Rk ñmg Rk ñmg ñmwa ñmg Wz Wg Wq Wz A² W A² L²2 ñmg L²2 A Ck W² Cz Rk W² C Rk Ck W Rk Rk C Rk Ck W A² A² A² L²2 A A² L²2 Rk Rk W C A² Wk Wk Wk A² A² A² L¥2 L² L² A² Rz L¥1 L¥2 L² L¥2 A² A² A² L² L¥2 L¥1 Rk L¯ L² A² ñmgss ñmgss ñmgss ñmwa Cg ñmgn A² A² A² L² L¥1 L¥2 L¯ L² ñmgn ñmgn ñmgn Cg ñmg A A² A² Rk C A² L¥2 zq ñmgn ñmgn C Rk L¥1 ñmgn L² L²2 ñmgn A² ñmgn Ck ñmgn A² Rk L²2 C L²2 Ck W Rµ L¯ A² A² zq Rw Rw zq L² Wg L²2 L¯ Rk L¯ Wg L²2 Rµ Cz C ñgm A² L¥ L¥2 L¥2k Rk C ñmgnb A² A² C Cz ñgmp A² L¥1 L¥2 Rk A² ñgm L¯ L² ñgm Cg ñgm Rz ñgm Cg ñg ñgm Cg Cz ñgm ñgm ñgm Cg zq ñgm ñgm ñgm ñgm Cg Cg ñgm ñgm ñgm ñmgss ñmgs ñgm ñgmw ñgmw A² ñgmw ñgmw ñgmw A² ñgmw ñgm Cg ñgm Rk ñgm ñgm ñgm A² A² Wk A L² L² L¥1 L¥1 L¥2 L¥1 ñgmw ñgm A L¥2 L² ñgm L¥1 L¥2 L¯ Ck L¥1 L¥2 L¯ L² L² L¥1 A² A² Ck Ck Ck Ck A² A² A A A L² A² A ñmg A² A² W A Rk Rµ Cz Rµ A² ñmgn L² Cq zq L²2 L¥2 A² L²2 L²2 Ck C Cg Rk Rk A² Cg ñmwa ñmgn ñmgn ñmgn ñmgn L² A² A² A A² A² A² Ak Ak Ak Ak Ak Ak Cz Rk Cz A A² A² A² ñmgss A² ñmgss ñmgss W L² L² ñmgss L² A² Rz Ck A² A² ñmgss A² A² A² A² A² L² L² A² Cz Rz L² A² Cq A Cq W L¥2 L² A² Ck Rµ Ak Ak Ak A² A² Ak C Cg C Ck Cz A² A² Rµ Rµ S A Ak Ak Ak S Ak Ak Ak ñmgm Cg A A Ck ñmgm ñmgm ñmgm ñmgm ñmgm ñmgm Cg Ak A² A Ak Ak ñmgm Cz A² Ak Ak Cz ñmgm Ak ñmgm ñmgm ñmgm A Cg Ck Cg Cg A² A² S Rµ Wk ñmgm Ck Rµ Rµ Rµ A² A² Ck Rµ Ak Cg ñg Ak A ñg ñg Rµ Ck Ak Wk Wk A² ñmgss A² A² A² A² Rz L² L¥1 L¥2 ñmgm A² Ck A² A² A² L¥2 L² L¯ L² A² A² W A² A² A² A² Ak Ak A² A A² A² Ck A² A² A² A² A² A² A² Rµ A² A² S S S S S A² A² A A² A² Ak Rµ Rµ Cg ñmgm ñmgm Ak Ak Ak Ck A² A² A A² A² A² Ak ñmgm Rµ W S Ak ñmgm ñmgm Rµ Cz ñmgm ñmgm ñmgm ñmgm ñmgm ñmgm ñmgm ñmwa A² A² L² L¥2 L¯ ñgm ñgm ñgm Rk Cg ñgm Rµ ñgm Cz L¥2 A² L¥1 L¯ ñmgss L¯ L² A² Rz Rz Rz Rz Rz ñmgss ñmgss ñmgss A² A² Rz A L² L¥2 L¥2 L¥2 L¥1 Ck Ck Ck L² L¯ L² L¥ L¥1 L¥ L¥ L¥ L¯ L¥1 Wk Wk L² L² Ck L¥2 L¥2 Wk A² A² A² A² A² A² A² Rk Rµ Rc Wq L¥1 L¯ S A² Rw A² A² A² L² L¯ Rµ A² A² A² A² A² A² A² A² L² L¥2 L² L¥1 ñmnfg L¥2 A² A² L²2 A² A² ñmnfg L² A² A² Wz Rk A² A² A² Ak Rk A² A² Ak W Rµ A² A² A² Rk Wk Rµ Rk Ak Ck Ck Ck A² A² A² A² A² A² A² Ak L²2 A² A² L¥2 Ak A² Rk W A L¥2 A² ñmnfg A² Wk Ck Wk Ak Ak Wk Wz Wg Wf Wf Wz A Wg A² A² Ak Ak Rk Wk L¥2 Cg Cg ñmwa Ak A Ak L² L¯ Wk A² A² L¥1 Rz Rz Rz Rz Rz Rz Rz ñmgss Rzi L¯ A² Rz Rz L¥1 Rz L¥1 A A² A W Ak Rk ñmgm A² Ak ñg A² ñmgss ñmg Cz Cg Rzi Cz ìod ìod ìod ìod ìod ìod ìod ìod ìod ìod ìod ìod 82 84 78 72 68 84 82 62 68 77 85 87 82 75 88 89 85 85 87 87 88 72 64 80 75 70 75 87 89 72 88 89 70 87 88 48 25 32 35 42 32 30 45 80 89 52 62 60 88 44 30 60 85 40 44 32 48 36 22 85 82 76 80 32 90 90 80 82 78 73 87 42 70 83 78 45 88 ñmgm R´f Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµg Rµgp¨ Rµgp¨ Rµgp¨ Rµgp¨ Rµgp¨ Rµgp¨ Rµgp¨ Rµgp¨ Rµgp¨ Rµgp¨ Rµgp¨ Rµgp¨ Rµgp¨ Rµgp¨ Rµgp¨ Rµgp¨ Rµgp¨ Rµgp¨ Rµgp¨ Rµgp¨ Rµgp¨ Rµgp¨ Rµgp¨ Rµgp¨ Rµgp¨ Rµgp¨ Rµgp¨ Rµgp¨ Czp Czp Ckp Ckp Czp Ckp Ckp Czp Czp Ckp Ckp Czp Ckp Ckp Ckp Ckp Czp Ckp Ckp Ckp Ckp Ckp Ckp Ckp Ckp Ckp Ckp Ckl Wfl Czp Ckp Czp Ckp Ckp Czp Ckp Cgm° Ckp Ckl Ckp Ckp Ckp Ckp Ckp Czp Ckp Czp Ckp Ckp Ckp Ckp Ckp Ckp Ctl Ckp W W W Wk L¥2k W Ck Wk ñmgn ñmgn ñmgn Ckp W L² Ck W W L² L² Wk Wk Ck L² Ck Ck Ck L² L² S S S Wk Cz Cg Ck Rµgp¨ Ck Ck Ck S S L¥2 L² L¥1 Rµg A² A L²2 Rk Wk A² A² A² A² L² L² L² Ck Ck Ck S Rz L² Ck W A L² ñmgss Wk Ck Wk Wk Wk Cz Ck Ck Wk Wk A² ñmwa A L² ñgm ñgm Cg Rµgp¨ Cg ñgm ñgcb A A² A A A Ckp L¥1 L¥1 L¥1 L¥1 Rz L² L² L¥1 Rz L¯ L² ñmnfg S A² L² L¥2 ñmsqz ñxmnqf-mwa ñxmnqf-mwa ñmnfb ñmnfb ñmnfb ñmnqf ñmnqf ñmnqf ñmnqf ñmnqf ñmnqf ñmnqf ñmnqf ñxmgm-mwa ñxmgm-mwa ñxmgm-mwa ñg ñmg ñg gp ñgc ñmgn ñgc ñgcb ñg ñmg ñmgn ñmwa ñg ñg ñmg ñmg ñmgnb ñmg ñmg ñmgb ñg ñg ñmgn ñmwa ñg ñgc ñmg ñmwa ñg ñmg ñmg ñmgss ñgcb D U N D A S M I N E R A L F I E L D ñgc ñmwa ñxmnqf-mwa ñxmnqf-mwa ñxmnqf-mwa ñxmnqf-mwa ñxmnqf-mwa ñxmnqf-mwa ñxmnqf-mwa ? ? AlbanyÊFraser Orogeny (1345Ê1140 MaÝâ) C Cg W Wf Wg Ck Wk W² Wz A A² Ak Colluvial units C W Wf Wg Alluvial units A Lacustrine units Ck Cq Cz Cg Wk W² Wz A² Ak L¥ Quartz-vein debris Colluvium of silcrete; includes gravel, sand, and silt Clay, silt, and sand in extensive fans; local ferruginous gravel Clay, silt, and sand with abundant ferruginous grit PHANEROZOIC Wq Wq Clay, silt, and sand with abundant quartz-vein debris 122^00' 32^30' 40' 50' 33^00' 122^00' 20' 10' 33^00' 122^30' 50' 40' 32^30' 122^30' 20' 10' AUSTRALIA 1Ý:Ý100Ý000 GEOLOGICAL SERIES GEOLOGICAL SURVEY OF WESTERN AUSTRALIA SHEET 3332 ñg ñmgss 4 km 2 km SEA LEVEL 4 km 2 km SEA LEVEL DIAGRAMMATIC SECTION A B Clay, silt, and sand with abundant calcrete nodules A B CENOZOIC Calcrete and carbonate-cemented alluvium in fluvial channels Clay and silt in claypans ìod Cq Cgm° Ckl Ckp Wfl Wfl Cgm° Ckl Ckp Ctl Czp Colluvium of gravel, sand and silt, commonly derived from felsic gneissic rocks and associated weathering products Colluvium of gravel, sand and silt comprising calcrete, mafic and felsic rock fragments Heterogenous lithic-rich colluvium; comprising both mafic and felsic fragments Colluvium of silcrete; mixed with fragments of plutonic rocks commonly derived from granitic rocks Sheetwash of gravel, sand and silt comprising calcrete, mafic and felsic rock fragments L¥ L² L¥e¨ L¯ DATA DIRECTORY Theme Data Source Data Currency Agency Geology GSWA AUG 2006 WAROX Structural data 2006 Landgate and GSWA field survey Topography 2000 Water bores 2006 GEONOMA Cadastre Topographic nomenclature Dept of Industry and Resources Dept of Industry and Resources Dept of Industry and Resources Landgate Landgate TENGRAPH * 2000 Contours NASA SRTM 90m Digital Elevation Data Dept of Water Water Information system (WIN) Consultative Group for International Agriculture Research Ê Consortium for Spatial Information Ê GN GRID / MAGNETIC GRID CONVERGENCE True north, grid north and magnetic north are shown diagrammatically for the centre of the map. Magnetic north is correct for 6 years. TN 0.4¾ ANGLE 0.7¾ MN 2008 and moves easterly by about 0.1^ in 1:100Ý000 maps shown in black 1:250Ý000 maps shown in brown SI 51-05 SH 51-06 SI 51-01 SI 51-02 SHEET INDEX 2932 2933 2930 2931 3032 3033 3030 3031 3132 3133 3130 3131 3232 3233 3230 3231 3332 3333 3330 3331 3432 3433 3430 3431 NORTHOVER MERIVALE COWALINYA NORSEMAN LAKE JOHNSTON BEAUMONT ROUND TOP JOHNSTON BRONZITE RIDGE NORSEMAN BULDANIA FRASER RANGE HOPE TAY PEAK CHARLES DUNDAS MOUNT ANDREW RAVENSTHORPE ESPERANCE MOOLYALL LORT SCADDAN BURDETT RAVENSTHORPE OLDFIELD STOKES INLET ESPERANCE HOWICK Search for current GSWA map products online (www.doir.wa.gov.au/ebookshop) Grid lines indicate 1000 metre interval of the Map Grid Australia Zone 51 VERTICAL DATUM: AUSTRALIAN HEIGHT DATUM 0 1 2 3 4 5 6 7 8 9 10 Kilometres Metres 1000 SCALE 1:100Ý000 HORIZONTAL DATUM: GEOCENTRIC DATUM OF AUSTRALIA 1994 UNIVERSAL TRANSVERSE MERCATOR PROJECTION G E O L O G I CAL S U R V E Y W E S T E R N A U S T R A L I A TIM GRIFFIN Geological Survey of Western Australia EXECUTIVE DIRECTOR Department of Industry and Resources FRANCIS LOGAN, M.L.A. MINISTER FOR ENERGY; RESOURCES; INDUSTRY AND ENTERPRISE The Map Grid Australia (MGA) is based on the Geocentric Datum of Australia 1994 (GDA94) GEOCENTRIC DATUM OF AUSTRALIA GDA94 positions are compatible within one metre of the datum WGS84 positions Geological boundary 82 87 Airphoto lineament Metamorphic foliation, showing strike and dip 85 Gneissic banding, showing strike and dip 45 Cleavage, showing strike and dip 42 Crenulation cleavage, showing strike and dip Fracture, joint, or extension vein, showing strike and dip exposed............................................................................................................................. Trend of bedding or foliation................................................................................................. inclined.............................................................................................................................. vertical............................................................................................................................... inclined.............................................................................................................................. vertical............................................................................................................................... inclined.............................................................................................................................. vertical............................................................................................................................... inclined.............................................................................................................................. inclined.............................................................................................................................. unspecified........................................................................................................................ Aeromagnetic lineament......................................................................................................... Track......................................................................................................................................... Sand dune............................................................................................................................... Contour line, 20 metre interval............................................................................................... Watercourse............................................................................................................................. Pool........................................................................................................................................... Waterhole................................................................................................................................. Tank.......................................................................................................................................... concealed, interpreted from aeromagnetic data......................................................... exposed............................................................................................................................ Fault or shear exposed............................................................................................................................ Shear Trend of bedding or foliation................................................................................................ Major track............................................................................................................................... Position doubtful...................................................................................................................... Mineral exploration drillhole (costean, pit, or shallow trench)............................................ INTERPRETED BEDROCK GEOLOGY 0 5 10 15 20 Kilometres SCALE 1:Ý500Ý000 ìod Dolerite dyke, sill, and plug Quartzofeldspathic granitic gneiss Quartzfeldspathic gneiss; protolith unknown ñg ñgcbs ñgm ñgmb ñgmw ñgmp ñg ñgcbs ñgm ñgmb ñgmw ñgmp Granitic rock Quartz monzogranite; biotite-rich; mafic schlieren Monzogranite Biotite-rich monzogranite Monzogranite; megacrystic YILGARN CRATON ñmg ñmgn ñmgss ñmnfg ñmg ñmgss ñmgn ñmnfg ñmw ñmwa ñmw ñmwa ñxmgm-mw ñxmgm-mw For further details refer to main reference W.A. N.T. S.A. N.S.W. Vic. Qld Tas. A.C.T. ¦ Western Australia 2008 and Software Centre (www.doir.wa.gov.au/GSWA/downloadcentre) 2004 The recommended reference for this map is: Geochronology by: Website www.doir.wa.gov.au EmailÝ [email protected] Geochronology interpreted from external sources (listed below) and GSWA data (published and in preparation). Some GSWA geochronology may come from samples obtained on adjoining map sheets. GSWA geochronology data are available online at http://www.doir.wa.gov.au/aboutus/geoview launch.asp or on disk (Compilation of geochronology data Ê updated as required). Published by the Geological Survey of Western Australia. Digital and hard copies of this map are available from the Information Centre, Department of Industry and Resources, 100 Plain Street, East Perth, WA, 6004. Phone (08) 9222 3459 Fax (08) 9222 3444 * GSWA and DoIR database can be viewed online (www.doir.wa.gov.au/aboutus/geoviewÝ launch.asp) or can be downloaded from the GSWA Data Ê GSWA geochronology data are available online at www.doir.wa.gov.au/aboutus/geoview Ýlaunch.asp or on disk. 1:100Ý000 Geological Series. Cz Ctl Czp Rµ Rc YILGARN CRATON L¥2k L¥e¨ L² L¥2k Rk Rc S Rk S EUNDYNIE GROUP: ìod gp zq Metagranite ñg ñg ñgcbs ñmg ñmg ñmgm ñmgn ñmwa PROTEROZOIC ARCHEAN PALEOGENE EOCENE Eundynie Group c. EUCLA BASIN L²2 L¥2 L¯ L¥2 L²2 Calcretised dune adjacent to playa lakes; non-vegetated or poorly vegetated Stabilized dunes within and adjacent to playa lakes; typically vegetated Saline and gypsiferous evaporite deposits; clay, silt, and sand in playa lakes Mixed dunes, evaporite, and alluvial deposits, typically adjacent to playa lakes Rz Rzi Rµ Quartzofeldspathic sand and minor siliceous duricrust over granite; sparse granite outcrop; includes mottled and leached zones of weathering profile Residual and eolian sand with minor silt and clay; low vegetated dunes locally common Sandplain unit ñgcb ñgmw ñgmp ñmgs ñmgnb ñmgss ñgcbs ñgcb Quartz monzonite; biotite-rich ñgmw Monzogranite; megacrystic ñgmp ñmgnb ñmgs ñmgss Granitic gneiss; biotite-rich Schist derived from granitic rock ÞEU-s Rw Rw Deeply weathered rock; protolith undetermined Rz Silcrete Quartzofeldspathic sand, commonly over granitic rock Calcrete Quartz-rich residual sand Quartz monzonite; biotite-rich with mafic schlieren Metamonzogranite; medium to coarse grained QuartzÊkyanite schist; andalusite and/or chloritoid present locally R´f R´f Rµg Rµgp¨ Rµg Rµgp¨ Rzi Lacustrine units Lithified gypsum and clay, in mounds and dunes adjacent to playa lakes Porphyritic monzogranite Quartzfeldspathic gneiss; protolith unknown Quartz monzonite; commonly porphyritic (subsurface only) undivided siliciclastic rocks; locally spongolitic, bituminous, calcareous, or bioclastic; generally poorly indurated; locally silicified and ferruginized ñgc ñgc L¥1 Dune and lake deposits; active systems within and adjacent to playa lakes; non-vegetated or poorly vegetated Quartzofeldspathic gravel, sand, and silt, commonly derived from granitic rock and associated weathering products Clay, silt, and sand, commonly derived from granitic rock Wash of silcrete; includes gravel, sand, and silt Sand, silt, and gypsum in dunes adjacent to and within playa lakes Playa lakes; vegetated, dry, and commonly distal to more extensive and larger playa lakes Dolerite dyke, sill, and plug; fine- to medium-grained dolerite and gabbro; includes cumulate and granophyric differentiates (interpreted from aeromagnetic data were dashed) Pegmatite dyke or pod (subsurface only) Quartz vein or pod; massive, crystalline, or brecciated ñmnfg ñmnfg Quartzfeldspathic gneiss; biotite bearing Quartzfeldspathic granitic gneiss; locally migmatitic; includes local mafic bands and enclaves Foliated metagranitic rock; includes local amphibolite lenses Granitic rock, undivided; includes deeply weathered rock Amphibolite; relict, coarse plagioclase phenocrysts Metagranite Foliated metagranitic rock; includes local amphibolite lenses Quartzfeldspathic gneiss with biotite and garnet Quartzfeldspathic gneiss with biotite and garnet Metamafic igneous rock Amphibolite; relict, coarse plagioclase phenocrysts ñmgn Geology by CE Hall and SA Jones 2004 (1) Clark, DJ, Hensen, BJ, and Kinny, PD, 2000, Precambrian Research, v. 102, p. 155Ê183. Edited by B Williams and A Thomson Hall, CE, and Jones, SA, 2007, Cowalinya, W.A. Sheet 3332: Geological Survey of Western Australia, SHEET 3332 FIRST EDITION zq concealed......................................................................................................................... ñmgm ñmgn Clay Ferruginous duricrust, massive to rubbly; includes iron-cemented reworked products Residual or relict units Clay, silt, sand, and gravel in channels and on floodplains SEP 2006 gp Compiled by CE Hall and SA Jones 2005Ê06 Cartography AK Jones, H Weiter, and P Backhouse Porphyritic monzogranite Quartzofeldspathic gneiss; protolith unknown; intercalated with subordinate mafic rocks Quartzofeldspathic gneiss; protolith unknown; intercalated with amphibolite Colluvium, undivided; includes gravel, sand, and silt Colluvium dominated by reworked calcrete; includes loose nodules and irregular fragments Colluvium with abundant calcrete nodules; includes fragments of plutonic rocks commonly derived from granitic rocks Sheetwash units Clay, silt, sand, and gravel in playas and pans Ferruginous silcrete Lacustrine unit L¥1 Quartzofeldspathic gneiss; protolith unknown; intercalated with amphibolite Version 1.0 Ê March 2008 2675Ê2625 Ma ä NORTHERN FORELAND _ ALBANYÊFRASER OROGEN NORTHERN FORELAND _ ALBANYÊFRASER OROGEN (2) Cassidy, KF, et al., 2002, MERIWA Report No. 222. Quartzofeldspathic gneiss; protolith unknown; intercalated with subordinate metamafic rocks (section only) ñmnqf ñmnqf ñmnfb ñmnfb ñxmnqf-mw ñxmnqf-mw ñxmnqf-mwa ñxmnqf-mwa ñmsqz ñxmgm-mwa ñxmgm-mwa ñmnqf ñmnqf ñxmnqf-mw ñxmnqf-mw ñxmnqf-mwa ñxmnqf-mwa ñxmgm-mwa ñxmgm-mwa ñxmgm-mwa ñmnqf ñxmnqf-mw ñxmnqf-mw ñxmnqf-mw ñxmnqf-mw ñxmnqf-mwa ñxmnqf-mwa Metamonzogranite with subordinate mafic rocks Metamonzogranite with subordinate amphibolite