Page:Narrative of a survey of the intertropical and western coasts of Australia, Volume 2.djvu/638

 (SOLOeV.] NATURAL HISTORY. � ASTBLLSs leLAND, north-east of Inglis's Isle. yery fine* grained reyish-white Vaartzose .sand-sto ;--identical with that ot Mallison's Island, and very closely resembling some of the specimens from Prince Reent'a and Hunter's Rivers. Among the remaining islands o; this Fa!IetBOSAtqQuBTSs, (OTTOt4;S, and POBA9SO0'S Isles, were found by Mr. Brown to consist, in a great 'measure, of sand-stonY, of the same character with the specimens above-mentioned. POBA9SO0'S ISLAWO, St small islet south-east 'of Astell's Isle.refine*grained, somewhat reddish, sand-stone. Another specimen of sand-stone is friable, of a light flesh*red co- !our, and appa.ntly composed of the debris of granite. A crystalline rock, consisting of greenish-grey hornble. nde, with a very small proportion of felspar (Hornblend, roclg?).m Fragment, apparently from a columnar mass, of a stone intermediate between clink-stone and compact felspar. Such of the English Company'a Islands as were ex-' stained by Captain Fiinders, are stated by him to consist, in the upper part, of a grit, or *sHed-stones of a close texture; the lower part being arillaceous, and stratified, and ' rating into. pieces of a reddish colour, resembling flat tiles. The strata-dip to the west, at an angle of about South*west bay of GOULBVaWS SOUTH ISLASD, tWO hun- dred and fifty miles west of the Gulf of Carpen*aria, (Nar- rative, i. p..64.)--Coarse-grained reddish quartzuse 9lorn*rate and *sHed-stone; resembling the older sand-stanes of England and Wales, and especially the "mill*stone grit beneath the coal formation. Fine greyish-white p//M-da/ Of which about thirty feet in thickness were visible, patently above the sand-stone last mentioned. grained, ferruinous sased*stome , containing .fragments of'

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