Report on the Tin Ore Deposits of Mount Heemskirk. Four Plans

450-feet level abundance Agnew alluvial tin aplite magma appears assayed basalt believe biotite Brampton bulk sample Cassiterite cent chromite contain copper Cumberland decomposed deposit depth detrital dipping distance driven dykes east erection exposed feet feldspar flat formation Gentle Annie granite magma green tourmaline Greisen Heemskirk district Heemskirk field inches kaolin less aqueous little pyrites lode magnetite main spur masses Mayne's metallic tin mica mineral mining normal granite obtained open cut orthoclase outcrop payable percentage of tin pinitoid veins portion present prospecting shaft Pyke's Creek pyrites quartz and tourmaline quartz-tourmaline magma quartz-tourmaline nodules quartz-tourmaline reefs quartz-tourmaline veins rich in tin rock rubble sample taken sandstone seam sedimentary rocks shales shoot side Silurian slope south-west stannite stone stopes strike and dip sunk surface tail-race Tasman River tin veins tin-bearing tin-oxide tinstone tion tourmaline vein trenches Trial Harbour tunnel underground vein-rock vein-stone wash width wolframite yielded Zeehan