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* The Map referred to is a small Geological Map with localities marked. 42. Auriferous quartz from the Phænix Claim skipper's. 43. Auriferous quartz from the Nugget and Cornish Quartz Width of lode 8 feet; sample taken from a depth of 240 feet. Mining Company Width of lode from 12 to 18 feet; sample The battery used for crushing is one of 30 stampers, driven taken from a depth of 80 feet. The mine is worked by adits by a turbine wheel. Proprietors, Messrs. F. and G. T. Bullen. running into the hill and back sloped. Machine for crushing Manager, Mr. F. Evans. A first crushing of 40 tons of this consists of 12 head of stampers, the motive power being a stone yielded 239 ozs. gold.

turbine wheel (Whitelow and Kerrat’s patent). Manager Mr. T. F. Roskrye.

9

9

Gold as Exported. 1. One Bar of Melted Gold from West Coast, Kokitika, Refining Process, and as exported by the Bank of New Zealand, Westland

Aucklandoz. dwts. grs.

oz. dwts. grs. Assay-Gold .9627 = Fine Gold

14 16
Assay-Gold .9942=Fine Gold

19 20 Silver - •0363

Silver - ·0058
Copper .0010

Weight, 10 oz. I dwt.
Weight, 10 oz. 2 dwts. grs.

4. One Bar of Chloride of Silver. The gold having been

separated by the Chlorine Refining Process, the chloride is 2. One Bar of Melted Gold from Thames District, Province

reduced to metallic silver by the galvanic action of iron plates of Auckland

and acidulated water. Weight, 8 oz. 2 dwts. 6 grs., containing oz. dwts. grs.

6 oz. of silver. Assay-Gold .6565=Fine Gold 6 12 18

5. One Bar of Silver, extracted from Thames gold, Province Silver •3390=Silver

3 8 13

of Auckland, by Chlorine Refining Process. Very nearly fine Copper •0045

silver, only a trace of gold left. Weight, 10 oz. 4 dwts. 18 grs. Weight, 10 oz. 2 dwts. 6 grs.

6. Model representing a Bar of Gold, weighing 375 oz., as 3. One Bar of Refined Gold, as extracted by Chlorine exported by the Bank of New Zealand, Auckland.

Cl. 100.

MINERALS AND ORES. Parapara Iron and Coal Company, Nelson.—Brown Hæma- 11. Nelson Committee.--Copper Ore from the Dun Mountite Ore, found in vast quantities on the surface of the ground tain at Nelson. at Parapara, in practically unlimited quantities. In close 12. Nelson Committee.-Sulphuret of Copper from Para para proximity to an extensive coal field. Yields 50 per cent. of Valley. iron.

13. Nelson Committee.-Antimony Ore from Inangahus. 2. Johnstone Brothers, Nelson.-Hæmatite Iron Ore, similar 14. Nelson Committee. - Antimony from Rainy Creek, to No. 1; easily convertible into the best steel. Brown and Reefton. red paints are made from this ore. See Paints and Dyes, 15. W. E. Washbourn, Nelson.—Argentiferous Lead Ore p. 328).

from Richmond Hill, Parapara. Value, 50l. per ton. 3. Nelson Committee.-Chrome Iron Ore from the Dun 16. Taranaki Committee.-Titanic Iron Sand. Mountain, Nelson. Obtainable in unlimited quantities.

17. A. Ross, Poverty Bay, Auckland.—Two jars of Petro4. Nelson Committee.- Iron Ore from Bedstead Gully, leum. Collingwood, Nelson.

18. Taranaki Committee5. T. B. Louisson, Nelson.Iron Ore as found in the Para- GEOLOGICAL SPECIMENS : para District, Collingwood.

Older Tertiary Marl, North Tarendir. 6. T. B. Louisson, Nelson.—Iron Ore, calcined. From this Trachyte Pebble. ore an excellent pigment is made, being composed of pure Trachyte with crystals of hornblende. peroxide of iron. (See Paints and Dyes, p. 328).

Trachyte cast from a well in New Plymouth, ancient sea 7. Nelson Committee.-Plumbago from Pakawau, Nelson.

beach, 500 yards inland of present beach. 8. Nelson Committee.--Galena from Bedstead, Gully, Col- Older Tertiary Marl, white cliffs. lingwood.

Horn blende. 9. Nelson Committee.-Galena and Zinc blende from Para- Obsidian. para Valley.

Nephrite. 10. Nelson Committee.--Zinc blende and Galena from Bed- Tarakanite. stead Gully, Collingwood.

Carnelian, found on beach, New Plymouth.

Cl. 100.

MINERALS, &c. Dr. Hector, Colonial Museum, Wellington

Magnetic Iron Ore, Wakatipu Lake, Otago. From a vein

in mica schists. MAGNETIC IRON ORES :

Magnetic Iron Ore, Maramara, Frith of Thames. From Magnetic Iron Ore, Dun Mountain, Nelson. From a vein a vein in ferriferous slates ; contains also oxides and 16 in. thick in serpentinous slates.

titanium of manganese.

Iron-Band Ore, Nelson. Contains 70 per cent. of iron.

Also Wyndham River, Otago, and Manukua, Auckland —formed by the black sand-layers becoming cemented with hæmatite. This would be a most valuable ore if

obtained in large quantities. Black Iron Sand, from beach at Taranaki. Compound of Iron Sand, Ferruginous Earth, and Ground

Charcoal.
Iron Sand cemented by heat.
Bloom of Iron.
Bar of Crude Metal as from the blast furnace.
Bar of Crude Titanic Steel.

Bar of Workable Steel.
HEMATITES :
Specular Iron Ore, Dun Mountain, Nelson. Occurs in

irregular veins in greenstone rocks; contains 63 per

cent. of metallic iron. Specular Iron Ore, Maori Point, Shotover, Otago. A six

foot vein in mica schist, equally rich with the above ; extent unknown. This ore forms the large heavy pebbles known as Black Maori in the auriferous gravels of the

diggers. Compact Iron Ore, D'Urville Island, Nelson. Vein,

thickness unknown, in diorite slate, with serpentine and

chrome, yields 63 per cent. of iron. Concretionary Hæmatite or Limonite, Mongonui, Auck

land. Occurs strewn on the surface from the decomposition of clays, associated with lignite seams; a

Massive Chromic Iron.
Crystallized Chromic Iron. From irregular lodes in ser-

pentine bands. Dun Mountain, Nelson. Dunite, interspersed with crystal of chrome ore. Dun

Mountain, Nelson. COPPER ORES Copper Pyrites. Mixture of sulphides of copper and iron.

From a lode 3 to 5 ft. thick in mica schist, Moke Creek, Wakatipu Lake. The ore is very pure, and contains from 11 to 55 per cent. of metallic copper; the usual average of such ore in Cornwall being only five per cent. There is limestone in close vicinity to the lode ; so that there would be no difficulty in reducing the ore to a “regulus,” in which state it would save cost in ship

ment.

Grey Sulphide, Wangapeka, Nelson.

Contains 55 per cent. of copper, together with a little silver and gold. Cupreous Iron Ore, in Serpentine, Dun Mountain. In

teresting from its being slightly auriferous. The present

value of crude (uprefined) copper is 301. per ton. Copper Ore. Decimal Company's Mine, Collingwood,

Nelson, Graphite. Collingwood, Nelson, LEAD ORES- . 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 26 oz. of silver per ton. The gold is

only in those parts of the ore that contain Iron pyrites. Galena with Zinc Blende, Perseverance Mind, Collingwood,

Nelson. Occurs in a band 2 to 5 ft. thick, parallel with auriferous quartz veins. These two ores are both pure, but so intermixed in the lode that they could not be reduced separately. 100 tons has been sent to Great Britain to test the value of this ore.

common ore.

Hæmatite (about 40 per cent. of iron), Collingwood,

Nelson. Occurs intermixed with quartz pebbles in a

stratum 100 ft. thick, exposed over several acres. Hæmatite. Exhibited by W. Lodder, Auckland. Hæmatite, Collingwood. Exhibited by Johnston and

Louison, Nelson. Hæmatite Pigment. Exhibited by Johnston and Louison,

Nelson. Ironstone (two specimens). Exhibited by E. Ford, Christ

church, Canterbury. Ironstone, Malvern, Canterbury. Exhibited by W. Wilson

Christchurch, Canterbury. Bog Iron Ore, Spring Swamps, Auckland.' Forms thick

layers at the bottom of swamps. Though rich in iron, the ore is inferior, on account of the sulphur and

phosphorus it usually contains. Reniform Iron Ore, or Hydrous Hæmatite, Mongonui.

Carbonaceous Iron Ore with coal seams, Collingwood. CHROME ORESThe pure ore contains 50 per cent. of the chrome oxide,

and is worth from 11l. to 20l. per ton, according to the state of the market. Used for manufacture of pigments and dye salts.

[blocks in formation]

Fine lamp oil 11.20 per cent. of sp. gr. •820
Inferior lamp oil • 37.75

.853
Lubricating oil . 25.69
Parafine

16.00 Bituminous residue - 9.36

PETROLEUM Rock OIL-
Oozes from cracks in trachyte breccia, Sugarloaf Point,

Taranaki. Wells have been bored to the depth of many
hundred feet, bat no steady supply of oil has been
obtained. Crude oil has a specific gravity of 962-7 at
60°, and yields by fractional distillation oils having the
following gravities :-
2 per cent. of oil of sp. gr. -

.874
10

• 893 8

.917 60

. 941

80 The kerosene oil of commerce has a density of .810 to

.820. This oil is therefore quite unadapted as a substitute for

kerosene, but might be used with great advantage as a

lubricant. PETROLEUM Waiapu, East Coast of Auckland Province. Crude oil has a

specific gravity of .872 at 58° Fahr.; boiling point, 290° Fahr.; flashing point, 230° Fahr. This oils yields, when distilled, as follows:

100 By repeated rectifications this oil would probably yield 20

per cent. of lamp oil adapted for consumption in common kerosene lamps. A small sample of oil from the same district had specific gravity •866, and gave, when twice rectified, 10 per cent. of lamp oil of specifie

gravity -819, or at proof, 40°.
PETROLEUM OIL-

Waipawa River, Poverty Bay, Province of Auckland.
STEATITE-
Collingwood, Nelson. Occurs in a large mass or dyke in

the Parapara Valley.
MARBLE-
Collingwood, Nelson. Forms a large part a mountain

range, and could be quarried and shipped with facility in blocks of any size.

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CL. 102, 104.

BUILDING STONE, FIRECLAY, &c. 1. Parapara Iron and Coal Company, Nelson.—Limestone. 7. Taranaki Committee.—Potter's clay from Crenui. Occurs in quantity at a considerable distance beneath the out- 8. Kennedy Brothers, Nelson.-Fireclay from a seam of 8 ft., crop coal measures. Intended to be used as a flux in the underlying the coal at the Brunner Mine. reduction of the brown hæmatite ore which is found in great 9. Kennedy Brothers, Nelson._Fireclay, same as No. 8, quantities in the district.

ground ready for brick-making or other fire goods. Is sold at 2. W. Wilson, Christchurch.—a. White limestone ; b. yellow 608. per ton at Greymouth. limestone. Obtainable in blocks of from 1 to 10 tons.

10. Kennedy Brothers, Nelson.-Fire-bricks, manufactured 3. Nelson Committee. – Marble from Ruatanuka, Golden at the company's works at the Brunner Mine. Valae, 61–71. Bay.

per 1,000 at Greymouth. 4. Nelson Committee.-Porcelain clay from Pakawau.

11. Nelson Committee.-Steatite from Golden Gully Colling5. Nelson Committee.-Clay from Pakawau.

wood. 6. Nelson Committee.-Clay from Ruatanuka, Golden Bay.

Cl. 202, 602.

PAINTS, DYES, AND TANNING BARKS. 1. T. B. Louisson, Nelson. Hæmatite Paint, made from 5. Taranaki Committee.-Bark of the Atauhero (Rhabdothe ore found in unlimited quantities at Parapara, Nelson. thamnus solandri). Produces a red dye. Being a pure peroxide of iron, it is the best preservative of that 6. Taranaki Committee.-Bark of the Pukatea (Atherometal. Wood coated with this paint is comparatively unin

sperma nova-zealandiæ). The inner bark contains a powerful flammable; it is, therefore, much used in painting shingled

anodyne. roofs. Value 25l. per ton.

2. Johnstone Brothers, Nelson.—Umber Pigment, made from 7. W. S. Grayling, Taranaki. Extract of Kamai or the raw hæmatite ore found at Parapara.

Towhai (Weinmannia racemosa). A forest tree abundant in 3. Johnstone Brothers, Nelson.—Red Pigment, made from many parts of New Zealand. The bark has been successfully calcined hæmatite ore found at Parapara.

applied as a tanning agent. It is also used by the Maoris in 4. W. S. Grayling, Taranaki.-Bark of the Hinau (Elæo- producing their red and brown colours. The dye obtained from carpus dentatus), and sample of Phormium fibre dyed therewith this gives a very fast class of shades upon cotton. It can be by the Maoris.

sold at the same price as gambier and catechu.

Bark of the Towhai, from which the extract is obtained.

11. Dr. Hector, Colonial Museum.Timber of the Towhai.

Tan Barks, native to New Zealand : 8. W. S. Grayling, Taranaki.- Two samples of Extract of Wood of Fuchsia excorticata, native name Kotukutuku ; Hinau,

percentage of tannin, 5.3. The Hinau Elæocarpus dentatus is a large forest tree, abun

Bark of Eugenia maire, native name Whawhako ; perdantly diffused throughout most parts of New Zealand. The

centage of tannin, 16.7. bark has been successfully used in tanning operations. The

Bark of Elæcarpus hookerianus, native name Pokako; natives also use it in producing the beautiful black dye for their

percentage of tannin, 9.8. flax work, for which purpose the bark is first bruised and boiled Bark of Coriaria ruscifolia, native name Tutu ; perfor a short time. When cold, the fax if put into the mixture,

centage of tannin, 16.8. where it is left for two days, after which it is taken out and

Bark of Knightia excelsa, native name Rewarewa ; persteeped thoroughly for two days in red swamp mud, rich in

centage of lannin, 2.7. peroxide of iron, when it is removed and dried in the sun. The

Bark of Elæcarpus dentatus, native name Kiri-Hinau; Hinau can be used in the manufacture of ink, by dissolving a

percentage of tannin, 21.8. small quantity of the extract in water, and adding a little rust

Bark of Weinmannia racemosa, native name Tawheri ; of iron. As it contains neither corrosive acid nor gum, the pen

percentage of tannin, 12.7. is neither injured nor clogged. The extract of Hinau can also Bark of Myrsine urvillei, native name Mapau; percenbe used instead of logwood.

tage of tannin, 1.4. The extract of Towhai is much more astringent than that of Bark of Phyllocladus trichomanoides, native name KiriHinau, and needs only to be introduced to be accepted by

Toa-Toa ; percentage of tannin, 23.2. tanners.

Bark of Hoheria populnea, var. augustifolia. 9. Westland Committee.— Bark of the Tawai or Red Birch Hirneola auricula-Juda, Ear Fungus; exported largely (Fagus menziesii), suitable for tanning purposes; also a sample

to China by Chinese emigrants. of the extract fluid.

Leaves of Celmisia coriacea, native name Tikapu ; hills 10. W. S. Grayling, Taranaki.—Blue earth, supposed to be

of South Island. vivianite or a phosphate of iron. Used by the Maoris, mixed 12. Taranaki Committee.-Earth used by Maoris as a morwith shark oil, as a deep and brilliant blue paint.

dant for dyes. CL 620.

GRAIN AND AGRICULTURAL PRODUCE. W. D. Wood, Christchurch, Canterbury.

John G. Ruddenklau, Addington, Canterbury.1. 25 lbs. Tuscan Wheat, weighs 68 lbs. per imperial 17. 1 bag Champion White Wheat ; yield, 45 bushels per bushel.

acre ; value, 4s. 6d. per bushel. 2. 25 lbs. Rough Chaff Wheat, weighs 66 lbs. per imperial 18. Robert Wilkins, Christchurch Canterbury. Half-bushel of bushel.

Perennial Rye Grass Seed (Lolium perenne), grown by Rev. 3. 25 lbs. Velvet Chaff Wheat, weighs 652 lbs. per imperial T. R. Fisher, Selwyn District; soil, sandy loam; yield, bushel.

30 bushels per acre value, 6s. 6d. per bushel of 20 lbs. ; weight, 4. 25 lbs. Red Chaff Wheat, weighs 641 lbs. per imperial 18 lbs. or 36 lbs. per bushel. bushel.

19. Half-bushel Cocksfoot Seed (Dactylis glomerata), grown 5. 50 lbs. of Flour.

by executors of Ebenezer Hay at Banks Peninsula. Soil, P. Cunningham g Co. Christchurch, Canterbury.-11 ordi- volcanic hills. The seed was sown on cleared bush land, but

nary samples of Wheat, grown in the province of Can- not ploughed or cultivated in any way; yield not known; terbury.

value, 7d. per lb. ; weight, 10 lbs. or 20 lbs. per bushel. 6. bushel Pearl Wheat.

20. E. H. Banks, Christchurch, Canterbury. Rye, grown 7. Hunter's White Wheat.

in Ashburton District. Soil, fine black loam, shingle bottom, 8. Tuscan

formerly covered with native flax (Phormium); sown in May; 9. Hunter's White

2 bushels of 60 lbs. per acre ; crop average, 40 bushels per acre; 10. Velvet Chaff

value, 4s. per bushel. 11. Red Chaff

21. Malt, made in Christchurch, from Barley grown in 12. Purple Straw

Selwyn District. Soil, rich black loam, formerly laid down 13. Velvet Chaff

with English grasses ; sown in September; 24 bushels of 50 lbs. 14. Pearl

per acre ; value, 8s. per bushel of 40 lbs. 15. Red Chaff

22. Barley, grown in Leeston District. Soil, light porous, 16. Tuscan

made rich by sheep feeding upon turnips and mangolds, and by

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