Page:Narrative of a survey of the intertropical and western coasts of Australia, Volume 2.djvu/634

 Go.oov.] NATURAL HISTORY. 60 jasper; and above it was u mass of sand*stone, more than sixty feet tldck..--(Narrative, vol. ii. p. 26.) Svrulr iSLitO, near Cape Grenville, about one hundred and seventy miles west of north'from Cape Melville.--Com- pact felspar, of a flesh-red colour; very nearly resembling �that of the Percy. Islands, above-mentioned. Gooo's Isnlto, one of the Prince of Wales's group, about latitude l0 �irty-four miles north-west of Cape York. The specimens, in Mr. Brown's collection from this place, cuss/st of coarse-slaty po]r/t/c congloorate, with a base of greenish-grey compact felspar, containing crystals of red- dish felspar and quartz. This rock has some resemblance to that of Clack Island above-mentioned. Swsa's Isiasu, south of Wellesley's group, at the bottom of the Gulf of Carpentarla.--A sta/act/t/c concret/o of quartzuse sand, and fine gravel, cemented by reddish carb)- hate of lime; apparently of the same nature with the stem- like concretions of King George's Sound: (See hereafter, p. 621.) In th/s specimen the tubular cavity of the sta- lactite is still open. 'le shore, in various parts of this island, was found to consist Of red ferruinous matter, (Bog-iron*or, ?) sometimes unmixed, but not unfrequently mingled with a sandy cal- eareous stone; and in some places rounded portions of the. ferruginous matter were enveloped in a calcareous cement. BBNTnq0x ISLAND, near Sweer's lsland.--A granular com- pound, like sand-stone recompesed from the debris or' igrani/e. Beow Ae9mt/te, enclosing quartzuse sand. l8otqx, ISLAND, on the east of Mornington's Island, is a�ed of calcareous brecc/ and pudd/g-stose, which VoL, ll. g It

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