164
Class 1.—MINING AND MINERAL PRODUCTS.South Side—Areas S. 1 to S. 27.
[United
A brief statement of the quantity of coals consumedper month, in a few of the principal mines, will show theextent to which steam power is now employed.
Bushels of 94 lbs.
Fowey Consols, 1835 . . . 101,240
Godolphin, 1839 .... 129,801
Fowey Consols, 1840 . . . 203,699
United Mines, 1842 . . . 84,862
Two examples of Cornish engines maybe seen near theMetropolis, one at the East London Water Works, andthe other at Brentford.
The lead mines of Cornwall have produced of theargentiferous sulphuret, during five years, the followingnumber of tons of ore :—
1845
1846
1847
1848
1849
Callington ....
950
1,138
1,249
957
625
Huel Mary Ann . .
166
192
334
873
Comubian ....
420
.
E. and W. Haven
16
.
Hnel Trelawney . .
280
529
883
413
1,296
Camelford ....
180
E. Huel Rose . . .
7,883
5,191
6,4*24
5,333
4,758
N. Huel Rose . . .
.
84
30
75
Cargol .....
55
306
954
964
505
Oxnams ....
188
47
470
269
Huel Rose ....
57
375
378
399
107
Huel Penrose . . .
116
11
.
Holmbush ....
12
60
154
102
New Quay ....
73
Portlileven...»
8
82
Pentire.
34
Cubert.
136
354
68
Leman.
30
73
Huel Concord . . .
30
30
Huel Trehane. . .
312
459
Herodseoombe . .
37
Herodsfoot . . .
375
721
1,050
Great Callestock Moors
109
Callestock....
116
179
Treyorden ....
28
Huel Penliale . .
50
Huel Golden . • .
80
Cartkeu Consols . .
45
The produce of zinc is not easily attainable, but it is nowsomewhat considerable, as is also that of arsenic and of theiron pyrites, used in the manufacture of sulphuric acid.
The number of individuals employed in 59 Cornish copper mines, was computed by Sir Charles Lemon , in1837, to be—
Men .... 10,624
Women . . . 3,802
Children . . . 3,490
The men alone work underground ; the women and chil-dren are employed on the surface, picking and dressingthe ore.
Mr. W. .T. Henwood estimates the number employed at—Men .... 18,472
Women . . . 5,764
Children . . . 5,764
30,000
Beside the minerals peculiarly industrial, a very largevariety of beautiful mineralogical specimens are producedin the county. A large trade in kaolin—china-clay—iscarried on; and of the building and ornamental stonesof Cornwall , granites, slates, porphyries, serpentines, andother kinds, a considerable variety in the natural state,and wrought into articles of use and ornament, will befound in the Exhibition. The accompanying map isintended to furnish information as to the metalliferousmineral wealth of Great Britain generally, and the site ofdifferent mines is represented by symbols which willrender the map intelligible as a means of reference instudying the metalliferous minerals in Class 1 . —R. H.]
444 Giiyi.ls, S., & Redruth Committee— Producers.A large mass of copper pyrites.
445 Lean, J., West Caradon Mine, Liskeard —Producer.Grey and native copper ore.
446 Puckey, John, St. Blazey, St. Austell —Agent.Mass of copper ore, about 1,500 lbs. in weight, from
Par Consols Mine, St. Blazey, Cornwall . This specimencontains some quartz and chlorite, and shows the “ walls”and inclination of the lode.
[The produce of this mine for some years has been as
follows:—
Years.
Ore
Copper inTons. Cwts.
Total Value.
in Tons.
£.
1845
5,655
464 10
30,881
1846
6,065
557 12
35,144
1847
6,101
625 10
42,953
1848
8,470
914 8
52,353
1849
12,228
736 9
47,249
1850
7,152
641 2
44,090
—R. H.]
447 Wellborne, W., Bodmin —Producer.Specimens of iron ore.
448 Taylor, J., Cornwall —Producer.
Iron ores from Restormel.
449 Drew, Joseph, St. Austell —Producer.
Iron ore, magnetic and oxidulated, from the Trerankmine, near St Austell . Brown haematite, from the samemine. Iron ores. Red haematite, from Treverbyn mine.
450 Bennett, Carr, & Co., Moorgate Street —Producers.Copper ores, gossan, &c., St. Brenard, Cornwall.
451 Taylor, R.—Producer.
Mining tools, as used in the Cornish mines.
452 Duchy of Cornwall —Producer.
Sections of Cornish copper mines.
453 Devon Great Consolidated Copper Mining
Company, Tavistock —Producer.
Specimens of copper ore.
454 Seccombe, Samuel, Phamix Mines, Liskeard —
Producer.
Specimens of tin and copper ore, and gossan. Pieces ofcopal and of the stratum from the side of the lode.—Allfrom one lode in Phoenix mines in the parish of Lenking-horne, near Liskeard.
Specimens of fire-bricks.
Specimen of native copper from West Caradon mine.Piece of barytes from Wheal Mary Ann.
455 Wellborne, W., Bodmin— Producer.Specimens of tin ore and tin.
456 Readwin, T. A., Winchester Buildings —Producer.Tin stone, from Wheal Augusta, St. Just.
457 Diamond, J., Tavistock —Producer.
Specimens of tin ore, from Wheal Mary.
457a Bird, J., Wallwyd, Merioneth, Wales —Proprietor.
Specimen of silver lead ore, weighing 350 lbs., contain-ing 16 cwt. 3 qrs. 10 lbs. of lead per ton, 82? oz. of silverper ton of lead, extracted from the Great Cowarch silverlead mine, which has been in work seven years, and issituate on the Browddwy estate, the property of theexhibitor. Exported from Aberdovey, North Wales .
458 Collett, Wm. R., Oort, County Galway —Producer .Cahirglissaun silver-lead ore: found in carbonate of
lime between Gort and Kinvara, County Galway, Ireland .The parting assay of Messrs. Johnson is—