D.—l.

Table 6. —Tests of Stone completed during the Year ended 31st March, 1938.

Approximate Cost of Paper.—Preparation, not given; printing (1,092 copies, including maps and graphs), £025.

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Price 7.5.]

240

cn S 'S.+S "5 Abrasion. 18 M . o> 1 ® No. Locality. «•§ 0 o'J « £ & § -§ Jj, Geological Classification. I! fSJ 1! p I ' _ <1 309 Te Kuiti, No. 1 sample .. 159 -3 0-80 5-06 7 '00 15-30 10'0 Limestone. 310 Te Kuiti, No. 2 sample .. 163-4 0-40 3-87 10-30 13-90 16-0 Limestone. 311 Kirkley's Quarry, Taneatua .. 164-6 0-90 3-10 12-90 16-90 19-0 Greywacke. 312 Waimana Gorge, Taneatua .. 176-5 1-50 5-80 6-90 .. .. Serpentine. 313 Taneatua .. .. .. 159-0 1-05 4-00 10-00 17-70 14-0 Greywacke. 314 Stony Hill, Green Island .. 183-9 0-40 4-80 8-40 18-90 49-0 Basalt. 314a Borough Quarry, Birkenhead .. 187-4 0-75 3-20 12-50 18-93 27-0 Basalt. 315 Wairoa River, Nelson .. 207-1 0-30 3-64 11-00 19-31 19-0 Harzburgite. 316 Maungaongaonga, Rotorua .. 147-2 0-30 6-64 6-10 16-50 16-5 Trachyte. 317 Riponui, Whangarei .. 170-0 0-15 5-24 7-60 19-50 15-0 Greywacke. 318 Otonga, Whangarei .. .. 167-4 0-60 5-29 7-60 19-50 48-0 Greywacke. 319 Wheki, Whangarei .. .. 172-1 0-25 2-86 14-00 15-30 21-0 Diabase. 320 Dwyer's Quarry, Whangarei .. 167-4 0-04 3-01 13-20 19-30 27-0 Greywacke. 321 Hikurangi Quarry, Whangarei 175-2 1-25 7-77 5-10 18-80 9-0 Basic tuff. 322 Albert's Cap, Waiwera, Clutha 159-6 1-00 3-82 10-40 17-70 19-5 Greywacke. County 323 Kaihiku, Clutha County .. 164-3 0-55 3-04 13-10 19-30 25-0 Fine conglomerate. 324 Miller's Quarry, Naumai, North 159-0 0-35 3-36 11-90 18-30 29-5 Trachyte. Auckland 325 Ditto .. .. .. 155-5 2-35 5-22 7-60 18-10 19-0 Trachyte; slightly weathered. 326 Donovan's Quarry, Tokatoka, 169-4 .. 5-14 7-80 17-40 10-5 Diabase. North Auckland 327 Ditto .. .. .. 167-3 .. 5-50 7-20 .. .. Diabase; 2nd grade. 328 Donovan's Bluff, Tokatoka, 146-0 2-80 .. .. (Soft) .. Diabase; partly weaNorth Auckland thered. 329 Maungaongaonga, Rotorua .. 157-3 1 -16 4-74 8-40 17-57 15-5 Trachyte. 330 Wanstead Quarry, Dannevirke 166-8 0-20 5-92 6-70 15-90 8-5 Arenaceous limestone. 331 Piha, Auckland .. .. 168-0 0-31 3-87 10-34 17-35 13-0 Melaphyre (altered basalt). 332 Hursthouse Street Pit, Motueka 165-2 1-14 .. .. 14-52 11-0 Granite (white). 333 „ 168-4 0-58 .. .. 16-30 37-5 Greywacke. 334 Hunter's Quarry, Waitakarei, 145-6 7-78 7-25 5-51 11-70 6-0 Altered tuff. Auckland 335 Papamoa, Tauranga .. 165-5 0-75 2-30 17-40 18-90 18-5 Hypersthene andesite. Other tests were made by sieve analysis, gravitation, microscopic examination, tension, and lineal shrinkage of top-course materials, and soil constants of subgrades.