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" Stone from West Australia, very glassy looking, now thoroughly impregnated with gold; the mammillary formation being particularly noticeable. " Somewhat laminated quartz from Victoria, containing a little antimony sulphide. In this specimen the gold not only shows on the surface but penetrates each of the laminations, as is proved by breaking.
The respirations were superficial, quite rapid, and purely thoracic; the diaphragm was slightly raised; the pulmonary-liver border was, in the right mammillary line, at the lower border of the fifth rib; upon anterior examination the thoracic organs appeared normal; the examination of the back was not then undertaken.
I prefer, for reasons which will probably be understood, not to say exactly by what process my results are obtained, but submit specimens for examination. " Piece of previously non-gold bearing stone. Locality near Adelaide, now showing gold freely in mammillary and dendroidal form. " Stone from New South Wales, showing gold artificially introduced in interstices and on face.
Say what one will, they are a mammillary people politically, and the strongest party in the Reichstag is merely an energetic political mangonel. Their leaders moult opinions, they do not mould them, and could not translate them into action if they did. Not since 1874 has there been a Reichstag so strongly radical, but nothing will come of it.
The formation of these salts had exerted sufficient force to burst open the gold coating, which upon the outside had the mammillary form noticed by Wilkinson, while the inside was rough and irregular with crystals forcing their way into the lead salts.
The ranges on either side of the glen were generally varieties of gneiss and granite, in many of which feldspar predominated, coarse ferruginous sandstone, and a siliceous rock with mammillary hematite and hornblende. These, and a great mixture of iron ores, composed the first or eastern line of Stanley's Barrier Range.
It is always more or less mammillary, but at times, owing to causes which I have not yet quite satisfied myself upon, is decidedly dendroidal, as may be seen in one of the specimens which I have submitted to members.
The porphyritic lavas are affected by the action of the sulphuric acid: the alumine, magnesia, soda, and metallic oxides gradually disappear; and often nothing remains but the silex, which unites in mammillary plates, like opal. It is not easy to form an idea of the origin of these incrustations.
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