. The geology of the Oamaru district, North Otago (Eastern Otago division). W Fig. 37.—Sectiox ox East Side of Target Gully, Thkee-quarters of a Mile above Towx Belt. a. Basalt. d. Rusty-brown glauconitic .sandstone ; 0 ft. ex- b. Olive-green tuffs, \vith thin lenses of hard lime- posed ; contains Pachijinarjas parki (Hutt.), stone in upper portion. Pecteji huttoni (Park), and Pecten beethami c. Hard semi-crystalline limestone, 10 ft. to 17 ft. Hutt. thick. e. High-level, gravels. The basaltic conglomerate which is present between the limestone and greensandsat Hutchinsons Quarry is absent in


. The geology of the Oamaru district, North Otago (Eastern Otago division). W Fig. 37.—Sectiox ox East Side of Target Gully, Thkee-quarters of a Mile above Towx Belt. a. Basalt. d. Rusty-brown glauconitic .sandstone ; 0 ft. ex- b. Olive-green tuffs, \vith thin lenses of hard lime- posed ; contains Pachijinarjas parki (Hutt.), stone in upper portion. Pecteji huttoni (Park), and Pecten beethami c. Hard semi-crystalline limestone, 10 ft. to 17 ft. Hutt. thick. e. High-level, gravels. The basaltic conglomerate which is present between the limestone and greensandsat Hutchinsons Quarry is absent in the upper end of Target Gully. The sectionexposed in Target Gully a mile above the Town Belt is shown in Fig. Fig. 38.—Section across Target Gctlly One Mile above Town Belt. a. Ohve-green tuSs ^^ith limestone bands. b. Impure tufaceous limestone, 2 ft. to 4 ft. c. Glauconitic sandstone, 8 ft. exposed ; where oxidized, soft and fiiable ; forms a continuous outcrop 90 yards long; fossiliferous ; crowded with Pachymagaa parki (Kutt.). d. Unknown. e. Fine beach sand. /. High-level gravel. 83 Section a Mile and a Half South of Dinitroon. From Duntroon southward the Waitaki stone forms a steep escarpment that extendsnearly to Bortons, a distance of over two miles. The section exposed in the cliff-facetwo miles from Duntroon is shown in Fig. 39.


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectgeology, bookyear1918