17

H.—s

Golden Crown Claim.—l Specimen. Haematites— This claim presents similar indications to the Little Specular Iron Ore, Dun Mountain, Nelson—occurs in Wonder. irregular veins in greenstone rocks ; contains 63 per ■ cent, of metallic iron. ._ ....' ,_ ___■_ -, „„„ Specular Iron Ore, Maori Point, Shotover, Otago—a sixAURIFEROUS QUARTZ, COLLINGWOOD MINES, f oot Te i n i n mica schist, equally rich with the above; NELSON. extent unknown. This ore forms the largo heavy Pebseveeancb MrNE. — pebbles known as Black Maori in the auriferous gravels Four rich gold specimens from a reef in tufaceous schist of the diggers. and black slate. Reef where mine is worked lies very Compact Iron Ore, D'TTrville Island, Nelson —vein, flat, and "varies from 1 to 7 feet in thickness. Gold is thickness unknown, in diorite slate, with serpentine and associated with iron and copper pyrites, galena, and zinc- chrome, yields 63 per cent, of iron. blende. Concretionary Haematite or Limonite, Mongonui, AuckFbom Colokial Museum — land —occurs strewn on the surface from the decompoLooan's Reef, Bendigo, Otago — Bition of clays, associated with lignite seams ; a common Tukneb's Reef, Cape Jackson, Marlborough.—2 Specimens. ore. Beecoiated Quaktz Reef (with vein of crystallized quartz), Haematite (about 40 per cent, of iron) Collingwood, Waipori Bridge, Otago. Nelson —occurs intermixed with quartz pebbles in a Sapphire, Collingwood, Nelson —■ stratum 100 feet thick, exposed over several acres. Weight 337 grains. Specific gravity, 3869. Haematite—exhibited by W. Lodder, Auckland. Junction Reef, Moanataiari Creek, Thames— Htematite, Collingwood — exhibited by Johnston and Specimen containing ores of gold, silver, lead, antimony, Louison, Nelson. copper, and iron. Haematite Pigment —exhibited by Johnston and Louison, Golden Ckown Reef, Thames — Nelson. Tufanite or Matrix rock traversed by auriferous quartz. Ironstone (2 specimens) —exhibited by E. Ford, Christ--683 oz. of gold per ton. church, Canterbury. Caledonian Reef, Thames, Auckland — Ironstone, Malvern, Canterbury—exhibited by W. Wilson, Hape Creek, Thames— Christchurch, Canterbury. Block showing — Bog Iron Ore, Spring Swamps, Auckland—forms thick a. Quartz. layers at the bottom of swamps. Though rich in iron, b. Crystals of Quartz. the ore is inferior, on account of the sulphur and phoac. Mica. phorus it usually contains. d. Gold. Reniform Iron Ore, Hydrous Haematite, Mongonui. c. Silicate of Copper. Carbonaceous Iron Ore with Coal Seams. /. Copper Pyrites. Cheome Oees—The pure ore contains 50 per cent, of the ff. Oxide of Iron. chrome oxide, and is worth from £11 to £20 per ton, accordAueifebous Stibnite—Ferruginous sulphide of antimony in i ng to t h e s t a te of the market. Used for manufacture of auriferous quartz. The pure mineral contains about 72.73 pigments and dye salts, per cent, of antimony, which has a value, when extracted, Massive Chromic Iron. of about £25 per ton. The specimens from the Thames Crystallized Chromic Iron—from irregular lodes in serpencontain gold in moderate quantity, perhaps sufficient to pay tine bands, Dun Mountain, Nelson. for extraction. The Criterion Claim contains a considerable Dunite, interspersed with crystals of Chrome Ore, Dun quantity of this substance, but no regular lode there has Mountain Nelson. yet been announced. This metal is used for compounding Hoppee Orfs several valuable alloys, while some of its compounds have c Pyr i t es.-Mixture of sulphides of copper and iron. numerous applications in pharmacy p * f fc mic f schist MoU Stibnite also occurs in the auriferous reefs m Colling- ri i -i*r i L - t i mi ■ j , , x t j i i j ■ j.l i - i Greek, VVakatipu .Lake. Uie ore is very pure, and conTrks'ln o"a" ' " 6 tains from Uto 55 P er cent- of metalll° coPPer; tha j C-va- 1 fi f- usual average of such ore in Cornwall being only 5 per wesmna— cent There is limestone in close vicinity to the lode ; Gold-bearing quartz. Bo tha( . y^ would fee nQ d;fflcuUy in reducing tho orB Rich^ofd-bearing quartz (2 specimens). *i "J^" 1"8" in which Btat" ifc WOuld SaTe Co9t in Febbiferous Platinum- Grey Sulphide, Wangapeka, Nelson-contains 65 per Platiniferotxs Iron Sand- cfmt . of V CO^T together with a little silver and gold Colonial Museum (Orepuki Diggings, North Shore of Cupreous Iron Oe.-In Serpentine, Dun Mountain. InFoveaux Straits.) Contain, about one gram of platina from auriferoug . per pound of sand T] sent Talue f d (unrefined) copper is £30 Platina separated from above by washing. ton r v ' ** Composition. Copper Ore.—Decimal Company's Mine, Collingwood,. Platinum with a little indium 8537 Nelson. Iro" ' ••• 136 5 Graphite.'—Collingwood, Nelson. Gold and Quartz _098 Lead OeeslOO'OO Galena, Wangapeka, Nelson —Sulphide of lead, with quartz that contains also sulphides of iron, and antimony with gold, in veins in felspathic schist. The Galena contains 20 oz. of silver per ton. The gold is only in those parts of the ore that contain pyrites. MINERALS, ETC., FROM COLONIAL MUSEUM. Galena, with Zinc Blende, Perseverance Mine, Collingwooci, ~, -r „ Nelson —occurs in a band 2 to 5 feet thick, parallel Magnetic Iron Ores— -. T ,-, ■» i < m. *_ f „, .. i /i ty ir i • -ht i r with the auriferous quartz veins, lliese two ores are Magnetic Iron Ore, Dun Mountain Nelson-from a vein b h bgQ Inte 4 rmixed in tllo lode that they could 16 inches thiokin serpent.nous slates i ' d d td 100 ton 3 is bei cut to Magnetic Iron Ore, Wakat.pu Lake, Otago-from a vem Grea( . the of Qre _ in mica schists. Magnetic Iron Ore, Maramara, Frith of Thames—from a ZINC °EB (Yellow or Horn Blende)— vein in ferriferous slates ; contains also oxides and Thl3 °re "fours m the Perseverance Mine, Collingwood, titanium of manganese. Nelson, and in small quantity in Tararua Creek, Thames, Iron Band Ore, Nelson—contains 70 per cent, of iron; also, in white cement with auriferous veins. It contains 60 Wyndham River, Otago, and Manukau, Auckland— V er cent- °f metallic zinc, which is worth about £15 formed by the black sand-layers becoming cemented with P er t°nhematite. This would be a most valuable ore if obtained Manganese Oees — in large quantities. Uses : For generation of chlorine for bleaching purposes ; Black Iron Sand. —From beach at Taranaki. also for calico printing, &c. The value of these common Compound of Iron Sand, Ferruginous Earth, and Ground ores is £3 to £4 per ton. Charcoal. Rhodonite (silicate of manganese), Dunstan, Otago; as Iron Sand cemented by heat. rolled masses. Percentage of manganese about 40. Bloom of Iron. Wad (hydrous oxide), Port Hardy, D'Urville Island, Bar of crude metal as from the blast furnace. Nelson —Percentage of manganese about 45. Bar of crude Titanic Steel. Braunite or Manganese on Malvern Hills, Canterbury— Bar of Workable Steel. exhibited by E. Ford, Christchurch, Canterbury.