D.—No. 3,

DEVELOPMENT OE COAL MINES, ETC.

57

OTAGO — continued.

Variety. g §3 S V & O rC Ash. Nature of Coke. Is Green Island and Saddle Hill: — Thick seams of Brown Coal in grits and clay shale, mined extensively since 1861. Four mines at present in operation, worked by deep shafts. Botanic Reserve : — Common Brown Coal 5-37 5-35 5-13 4-86 4-76 4-63 43-12 42-39 41-15 39-28 38-24 3760 20-26 14-22 1934 21-01 18-45 14-40 2-25 2-29 3-64 5-65 5-78 4-20 Non-caking 304 305 306 1,146 303 1,085 Altered Pitch Coal Cakes Average composition ... 5-02 40-30 17-95 3-97 Clutha and Tokomairiro District: — Seams 5 feet to 20 feet, with conglomerates and sandstones. Mines worked since 1859. Brown Coal Pitch Coal Brown Coal Pitch Coal Brown Coal 6-09 5-99 5-92 5-76 5-34 5-27 5-26 5-24 5-18 5-16 5-07 501 4-96 4-47 48-70 46-67 46-74 46-84 42-10 41-57 42-15 41-83 41-38 41-32 40-29 40-02 3966 36-57 20-20 7-27 12-94 9-20 11-80 11-60 18-69 16-43 17-50 16-35 13-72 1610 1631 20-91 3-30 10-70 3-64 3-44 5-93 5-90 4-58 1230 5-20 4-66 6-61 5-61 5-43 732 Non-caking 1,114 322 309 1,144a 313 312 1,1446 307 309c 3096 3136 309a! 302 1,1456 Average composition ... 5-34 42-56 14-93 6-04 SQUTHLAr ID. 59-40 4-20 1-40 Cakes 1,000 Imaka, Catlin's River : — Thin, irregular seam, in sandstone. Waikawa : — Irregular scams, in coarse sandstone. Mount Hamilton : — Irregular seams, in sandstone. Semi-bituminous ... 7-72 5-69 4-94 6-38 44-34 3891 49-08 600 10-32 1-68 1611 10-00 9-50 Slightly coherent 326 230a 1,105a Bituminous Cakes strongly 6-18 4793 5-70 9-25 Average composition ... Wairaki District: — Seams 4 to 10 feet of Brown and Pitch Coal, in micaceous sandstones and clays. No regular mines opened. Brown Coal Pitch Coal 610 5-24 4-79 4-55 3-51 5-44 48-30 41-78 37-81 36-01 28-44 43-20 15-60 16-67 10-94 11-33 15-33 14-90 5-10 4-88 2-97 12-45 6-22 2-80 71 197 235 200 2006 77 Brown Coal Orepuki: — Same formation as above. ;) Average composition ... 4-94 39-26 14-13 5-74 Preservation Inlet : — Thin, irregular seams, in sandstone, on Coal Island,much faulted and altered. Glance Coal 863 8-03 7-07 66-43 61-83 54-38 4-40 4-40 4-20 2-24 5-14 11-20 Dull, non-caking 324 323 325 j) Average composition ... 7-91 60-88 4-33 619 Preservation Inlet: — Thick seams of Brown and Pitch Coal on the main land, south of Coal Island. Pitch Coal Brown Coal 5-62 5-17 4-85 43-83 41-23 38-87 6-58 16-20 17-77 6-67 7-24 3-87 Non-caking 176 148 234 Average composition ... 5-21 41-31 13-52 5-93 Tuapeka: — Thick seam of lignite under the oldest gold-drift; shows vegetable tissue. Waitahuna: — Similar formation. 4-28 34-40 16-80 4-40 243 4-71 37-25 11-06 11-81 308