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ROCK ROOM

Smithers Exploration Group's Collection of Cordilleran Rock Suites

Leaarn more about the collection by attending virtual Rock Talk 2021, February 18 and 19.  

Welcome to Smithers Exploration Group’s Rock Room, home to our classic collection of Cordilleran rock suites. This extensive collection of rock samples, once complete, will be representative of deposits and rock types from across British Columbia, with a focus on the northwest. It’s an important resource for the development of expertise on the geology of northern BC and the discovery of the next mines.

The collection was begun in the 1970s by local geologists and prospectors, as well as the BC Ministry of Mines, and was updated under the direction of former regional geologist Paul Wojdak. It is designed to give hands-on examples of the rocks that make up the regional geological framework of northern British Columbia.  We are working hard to complete our collection: if there is a particular suite you are keen to see but we do not yet have, please let us know and we will prioritize the aquisition of those samples.  If you have a suite that you would consider donating to help us fill in the gaps, we would very much like to hear from you!

The Rock Room occupies a spacious classroom at the Smithers Exploration Group office at #101 3423 Fulton Avenue in Smithers. We have almost 2000 rock samples catalogued, clearly labelled and stored in trays that can be removed for handling and close examination. The room is heated, well-lit and spacious enough to allow field crews to use it is a starting (or ending) point for the field season. It is equipped with regular and zoom stereomicroscopes for detailed investigation.

The rock suites cover:

Call 250-877-7883 or email Anastasia Ledwon at  rockroom@smithersexplorationgroup.com if you have questions about the Rock Room or the donation requirements for samples.

SEG’s Rock Room with its Cordilleran Rock Suites will make Smithers home to a unique tool for explorationists.  It will attract industry and government attention to Smithers as a community committed to the growth of the minerals industry in BC.

Browse the Rock Room Collection

Library No.Suite NameLocationCollectorRock NameAgeDescriptionCart
T10-01Base metal veinsSilver Queen, Houston areaD LefebureSphalerite-galena veinvaries from medium to fine grained; >50% sphalerite; galena, pyrite and quartz also present; one sample contains crustiform (symmetrically banded) rhodochrosite and baritein the centre of the sphalerite vein
T9-11Mesothermal gold veinsVollaug vein, Table Mtn mineD LefebureAltered basaltPaleozoicpale green; fine grained; sheared; strong pervasive carbonate alteration
T9-10Mesothermal gold veinsForks vein, Dome MtnD LefebureSericite altered andesiteJurassicbuff colour; sheared; strong pervasive alteration to sericite with green mica; siliceous boudins
T9-09Mesothermal gold veinsRaven vein, Dome MtnD LefebureSericite altered andesiteJurassicivory colour; pervasive sericite alteration
T9-08Mesothermal gold veinsCusac vein, Table Mtn mineD LefebureAltered basalt breccia healed by quartzPaleozoicwallrock fragments cemented by drusy, chalcedonic quartz
T9-07Mesothermal gold veinsCusac vein, Table Mtn mineD LefebureQuartz-mariposite veinPaleozoicchalcedonic grey quartz containing disseminated green mica and 3% pyrite; cross cutting brown carbonate fracture veinlets
T9-06Mesothermal gold veinsTaurus mine, CassiarD LefebureCarbonate-altered basaltPaleozoictan brown; pervasive carbonate alteration; 4% disseminated euhedral pyrite dodecahedrons to 0.5 cm size
G2 05 (missing)Mesothermal gold veinsScottie Gold, StewartD LefebureMassive pyrrhotite veinJurassic
T9-04Mesothermal gold veinsScottie Gold, StewartD LefebureQuartz-sulphide veinJurassic5% chalcopyrite; 5% sphalerite; 5% galena
T9-03Mesothermal gold veinsTroutline zone, Vollaug vein, Table Mtn mineD LefebureQuartz vein with carbon stylolitesPaleozoicsimilar to above
T9-02Mesothermal gold veinsVollaug vein, Table Mtn mineD LefebureQuartz vein with carbon stylolitesPaleozoicwhite quartz; crenulated carbon partings
T9-01Mesothermal gold veinsVollaug vein, Table Mtn mineD LefebureFractured argillitePaleozoicblack with green chrome mica
T8-11Mesothermal gold veinsTaurus mine, CassiarD LefebureLamprophyre dikegrey; fine grained; massive; 3% mm size feldspar in felted amphibole (hornblende) matrix
T8-10Mesothermal gold veinsForks vein, Dome MtnD LefebureSericite altered andesiteJurassicpale colour; sheared; strong pervasive alteration to sericite, carbonate and green mica
T8-09Mesothermal gold veinsRaven vein, Dome MtnD LefebureSericite altered andesiteJurassicivory colour; sheared; pervasive sericite alteration with 5% wispy streaks of brown iron carbonate
T8-08Mesothermal gold veinsGolden BearD LefebureQuartz brecciaPaleozoicpale, very angular chalcedonic quartz fragments in matrix of fine crystalline grey quartz with minor pyrite, arsenopyrite and many tiny vugs lined with quartz crystals
T8-07Mesothermal gold veinsCusac vein, Table Mtn mineD LefebureQuartz-calcite-pyrite veinPaleozoiccoarse, white quartz-calcite vein with central zone of grey, fine-medium grained quartz-pyrite-mariposite; good evidence for two veining episodes
T8-06Mesothermal gold veinsTaurus mine, CassiarD LefebureCarbonate-altered basaltPaleozoictan brown; pervasive carbonate alteration; 3% disseminated pyrite dodecahedrons to 0.5-1 cm size
T8-05Mesothermal gold veinsScottie Gold, StewartD LefebureMassive pyrrhotite veinJurassic98% pyrrhotite; 2% chalcopyrite; very weakly magnetic
T8-04Mesothermal gold veinsFreegold vein, Dome MtnD LefebureSulphide banded quartz veinJurassiccoarse grained white quartz with pyrite, sphalerite and minor arsenopyrite
T8-03Mesothermal gold veinsEileen vein, Table Mtn mineD LefebureQuartz-calcite veinPaleozoicgrey chalcedonic quartz and coarse calcite vein; wallrock fragments are angular and bleached
T8-02Mesothermal gold veinsVollaug vein, Table Mtn mineD LefebureQuartz vein with carbon stylolitesPaleozoicwhite quartz; crenulated carbon partings
T8-01Mesothermal gold veinsVollaug vein, Table Mtn mineD LefebureFractured argillitePaleozoicblack with green chrome mica; fractures filled by quartz veins, crosscut by calcite veinlets; minor pyrite
T7-16Epithermal Gold-Silver veinsPremier, StewartD LefebureK-feldspar porphyry dike (Premier porphyry)Jurassicgreen; weakly foliated; sparse white K-feldspar phenocrysts; 20% plagioclase, obscured by calcite alteration; 5% hornblende, obscured by chlorite alteration; pervasive chlorite-carbonate alteration of groundmass; one post-ore quartz-calcite-chlorite veinlet
F2 15 (missing)Epithermal Gold-Silver veinsMt Skukum, YukonD LefebureTuff (welded ash flow)
T7-14Epithermal Gold-Silver veinsSpecogna (Cinola, Babe) Haida GwaiD LefebureBreccia with pyrite rimsdisintegrating, poor quality specimen; argillite?
T7-13Epithermal Gold-Silver veinsSpecogna (Cinola, Babe) Haida GwaiD LefebureSiltstone with quartz veinbrown siltstone with a few black, disrupted argillaecous beds; 1 cm wide quartz vein
T7-12Epithermal Gold-Silver veinsBaker mine, ToodoggoneD LefebureQuartz-sulphide veinJurassic5-10% sulphides (pyrite, chalcopyrite, sphalerite) and digested wallrock fragments in quartz
T7-11Epithermal Gold-Silver veinsAl prospect, ToodoggoneD LefebureQuartz-barite veinJurassicwhite; drusy quartz and barite; with vugs
T7-10Epithermal Gold-Silver veinsMt Skukum, YukonD LefebureQuartz vein, wallrock brecciaTertiarygrey volcanic wallrock fragments are somewhat rounded, appear to be milled or digested
T7-09Epithermal Gold-Silver veinsMt Skukum, YukonD LefebureQuartz vein, altered wallrockTertiaryno pyrite in quartz vein
T7-08Epithermal Gold-Silver veinsLawyers, ToodoggoneD LefebureBrecciated rhyolite with quartz veinsJurassicmassive, brittle, aphanitic pink rhyolite
T7-07Epithermal Gold-Silver veinsLawyers, ToodoggoneD LefebureBrecciated feldspar porphyry with amythest veinsJurassicGrade is 0.023 oz/t Au, 2.7 oz/t Ag
T7-06Epithermal Gold-Silver veinsLawyers, ToodoggoneD LefebureBrecciated feldspar porphyry with quartz veinsJurassicwallrock is crowded feldspar porphyry
T7-05Epithermal Gold-Silver veinsLawyers, ToodoggoneD LefebureBanded quartz vein in tuffJurassicsymmetrically banded, 1.5 cm chalcedonic quartz vein in pinkish-brown tuff
T7-04Epithermal Gold-Silver veinsLawyers, ToodoggoneD LefeburePlagioclase phyric tuffJurassicstaining indicates pervasive potassic alteration of groundmass; orange plagioclase phenocrysts do not respond to the stain?
T7-03Epithermal Gold-Silver veinsLawyers, ToodoggoneD LefeburePlagioclase phyric dacite - andesiteJurassic
T7-02Epithermal Gold-Silver veinsWolf prospect, VanderhoofD LefebureQuartz veins in brecciated wallrockaltered fragments; chalcedonic banding in vein quartz; multiple generations, open space, drusy
T7-01Epithermal Gold-Silver veinsAl prospect, ToodoggoneD LefebureClay-alunite alterationJurassicwhite; massive; fine grained; light density; bladed crystals evident on one weathered surface
T6-17Epithermal Gold-Silver veinsAl prospect, ToodoggoneD LefebureQuartz-barite veinJurassiccoarse grained; bladed barite
T6-16Epithermal Gold-Silver veinsPremier, StewartD LefebureK-feldspar porphyry dike (Premier porphyry)Jurassicgreen; weakly foliated; sparse white K-feldspar phenocrysts; 20% plagioclase, obscured by calcite alteration; 5% hornblende, obscured by chlorite alteration; pervasive chlorite-carbonate alteration of groundmass; one post-ore quartz-calcite-chlorite veinlet
T6-15Epithermal Gold-Silver veinsJD deposit, ToodoggoneD LefebureAndesite-dacite porphyry flow20-15% feldspar, orange-pink colour but appears to be plagioclase; greenish matrix of pervasive chlorite(?)-clay alteration; two crystals of primary apatite are circled
T6-14Epithermal Gold-Silver veinsSpecogna (Cinola, Babe) Haida GwaiD LefebureQuartz-healed brecciabreccia clasts cemented by drusy quartz; siliceous clasts rimmed by 1-3 mm black rind (unknown, possibly organic) with very narrow pyrite rim on surface of black material
T6-13Epithermal Gold-Silver veinsSpecogna (Cinola, Babe) Haida GwaiD LefebureQuartz veins in sedimentary rock or rhyolite?host rock is massive, no bedding, one feldspar? Crystal; minor pyrite in quartz vein
T6-12Epithermal Gold-Silver veinsGolden Stranger, ToodoggoneD LefebureTuff with quartz-galena veinJurassicorange weathered tuff; cm wide quartz-galena vein
F1 11 missingEpithermal Gold-Silver veinsAl prospect, ToodoggoneD LefebureQuartz-barite vein brecciaJurassicwhite; drusy quartz and barite; very pale, angular wallrock fragments are similar to vein in colour; relict casts of bladed crystal could be barite or calcite
T6-10Epithermal Gold-Silver veinsMt Skukum, YukonD LefebureQuartz-calcite vein brecciaTertiaryangular to indistinct pale grey wallrock fragments; fragments appear slightly bleached by reaction with ore fluid
T6-09Epithermal Gold-Silver veinsMt Skukum, YukonD LefebureQuartz veinTertiarywhite quartz; medium grained; trace pyrite; gold ore from Main vein
T6-08Epithermal Gold-Silver veinsLawyers, ToodoggoneD LefebureBrecciated rhyolite with quartz veinsJurassicangular fragments of brittle aphanitic rhyolite; veins tend to follow (nucleate) along rim of fragments; undetermined vein or pervasively altered material in wide area between veins
T6-07Epithermal Gold-Silver veinsLawyers, ToodoggoneD LefebureBrecciated feldspar porphyry with amythest veinsJurassicsimilar to above but veins are purple amythest quartz

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