p.—l

Table 6.—Tests of Stone completed during the Year ended 31st March, 1935.

Other tests were made by abrasion with steel shot, sieve analysis, .microscopic examination, &c., as required by the nature of the samples submitted.

By Authority: G. H. Loney, Government Printer, Wellington. —1935.

138

: 11 4» Abrasion. SO cfi 8 • oq og . gj g Ofl„ ® += © fl No. Locality. «;§ gog a & ,q S % f 0 Geological Classification. a P4 SJ "2 © 2'o £» a f2 fo! 1* If w s I a g"s 264 Godfrey's Quarry, Picton .. 168-5 0-88 5-20 7-7 18-4 31 Schistose greywacke. 265 Botanical Quarry, Picton .. 172-1 0-79 3-98 10-0 .. .. Schistose greywacke. 266 Gravesend Quarry, Picton .. 168-4 0-75 6-90 5-8 .. .. Schistose greywacke. 267 Tawa Flat Tunnel, Wellington.. 168-6 0-75 3-90 10-3 19-1 27 Greywacke (best). 268 Tawa Flat Tunnel, Wellington.. 160-9 0-21 12-70 3-2 .. .. Greywacke (weakest). 269 Tawa Flat Tunnel, Wellington.. .. .. 5-70 7-0 .. .. Greywacke (average). 270 Tawa Flat Stream, Wellington .. .. 3-54 11-3 .. .. Gravel. 271 Shand's Quarry, Otago Peninsula 167-5 1-25 3-10 12-7 19-6 33 Traohytoid phonolite. 272 Isherwood and Bellam's Quarry, 190-2 0-50 2-30 17-5 19-6 34 Basalt. Clarendon 273 Nyphon's Quarry, Otago Penin- 183-9 0-50 3-40 11-7 19-8 18 Dolerite. sula 274 Burns' Quarry, Otakou, Dunedin 148-1 3-90 4-30 9-3 18-9 23 Phonolite. 275 Mauriceville County's Quarry 167-1 0-30 3-56 11-2 19-4 33 Greywacke. 276 Wairarapa South County's 166-0 0-44 2-30 17-4 19-5 29 Greywacke. Quarry 277 Glenore Quarry, Bruce County 169-5 2-15 4-80 8-3 19-6 8 Chlorite schist. 278 Kilmog Hill, Dunedin .. 187-7 0-40 3-06 13-1 19-6 30 Basalt. 279 Stevenson and Sons, Pahiatua 167-9 0-80 2-26 17-7 .. .. Greywacke. County 280 Black Hill Domain, Waihi 151-5 3-15 7-94 5-0 18-1 11 Hypersthene basalt. Borough 281 D. Booth's Quarry, Leith Valley 171-1 0-55 3-27 12-2 19-6 20 Basanite. 282 Stewarts' Quarry, BlockII, Kai- 151-5 2-30 11-30 3-5 15-7 7 Volcanic breccia. para Survey District