Journal of the Geological Society of Dublin, Volume 91862 |
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Halaman
... Minerals from Ross Hill , near Maum , county of Galway . By James Apjohn , M. D. , Professor of Chemistry and ... Mineral Agents . By G. C. Mahon , C. E. , On the Granitic Rocks of the South - west of Donegal , and the Minerals ...
... Minerals from Ross Hill , near Maum , county of Galway . By James Apjohn , M. D. , Professor of Chemistry and ... Mineral Agents . By G. C. Mahon , C. E. , On the Granitic Rocks of the South - west of Donegal , and the Minerals ...
Halaman 1
... mineral structure of the earth , and more parti- cularly of Ireland . II . CONSTITUTION . 1. The Society consists of Ordinary Members , Honorary Mem- bers , Corresponding Members , and Associate Members . 2. The Officers shall be chosen ...
... mineral structure of the earth , and more parti- cularly of Ireland . II . CONSTITUTION . 1. The Society consists of Ordinary Members , Honorary Mem- bers , Corresponding Members , and Associate Members . 2. The Officers shall be chosen ...
Halaman 8
... mineral . I be- lieve myself that the mineral is probably a protosulphuret of iron , with a slight mechanical admixture of iron pyrites . The lode containing the magnetic pyrites bears N. 76 ° W. by com- pass , and , if prolonged ...
... mineral . I be- lieve myself that the mineral is probably a protosulphuret of iron , with a slight mechanical admixture of iron pyrites . The lode containing the magnetic pyrites bears N. 76 ° W. by com- pass , and , if prolonged ...
Halaman 8
... minerals , there was but one having any claim to no- velty , and it is to this that I venture to solicit the attention of ... mineral , having some general re- semblance to talc , but differing from it in important particulars , being a ...
... minerals , there was but one having any claim to no- velty , and it is to this that I venture to solicit the attention of ... mineral , having some general re- semblance to talc , but differing from it in important particulars , being a ...
Halaman 8
... minerals , and , in addition , the Damourite of Delesse , a mineral found in Brittany , associated with Kyanite . The name of each mineral , its lo- cality , and the name of the chemist by whom its analysis was made , is also given ...
... minerals , and , in addition , the Damourite of Delesse , a mineral found in Brittany , associated with Kyanite . The name of each mineral , its lo- cality , and the name of the chemist by whom its analysis was made , is also given ...
Edisi yang lain - Lihat semua
Istilah dan frasa umum
Arenaceous Argentiferous Lead Armagh assay Athyris Atrypa Ballinacourty Ballintra Ballintrillick Ballycastle bead becomes white Black Lion blebby Blowpipe boniferous Slate borax borax dissolves borax fuses Bruckless Bundoran Cahernanalt carbonate Carboniferous Slate charcoal Clane Clonea Colliery coloured by iron colourless glass Contains much water Cookstown Copper Cork Cyrtia decrepitates Donegal Draperstown Drumcondra Drumquin DUB.-VOL Dublin Dungannon Dungarvan Dunkineely edge emits Enniskillen Euomphalus Favosites Fenestella Fethard flame forceps forceps becomes forceps fuses fuses readily Genera GEOL Geological globule Goniatites granite Hardness heat Hook Head Howth infusible intumesces Ireland JOURN Keadue Kildorrery Leptæna Limestone Lisnapaste Little Island Localities and Post-Towns lode magnetic Malahide manganese Manorhamilton matrass metallic Millicent mineral Mines Mohill muriatic acid Names of Fossils Naticopsis nitric acid Nobber opaque Orthis oxide Pecten Poulscadden powder Presented Producta quartz rocks Society soda soluble Species specimens Spirifera streak white Sulphur transparent Trinity College Vide Yellow Sandstone Yields
Bagian yang populer
Halaman 234 - ... few change colour. Solution or fusion of the assay takes place quickly or slowly, wholly or partially, quietly or with effervescence. But the most important of the characters afforded by this flux is the colour imparted to the glass, by which the presence of several metals is indicated. Chrome gives a rich green — iron, a dark olive-green colour with the glass : if the proportion of iron be very small, the colour is evident only while the glass is warm, a circumstance which, independent of...
Halaman 337 - Mr. Jukes read his paper, entitled " Notes on some Points in the Geology of the Co. Antrim." The meeting then adjourned. GENERAL MEETING, NOVEMBER 13, 1861. THE PRESIDENT in the Chair. The Minutes of the last meeting having been read and confirmed, the...
Halaman 284 - ... it shall be lawful for the said lessor at any time thereafter into and upon the said demised premises or any part thereof in the name of the whole to re-enter and the same to have again re-possess and enjoy as of his or their former estate anything hereinafter contained to the contrary notwithstanding.
Halaman 279 - Reservoirs, then and in every such Case and so often as the same shall happen it shall be lawful for the Occupier of any such Mill, Manufactory, or Building to extend the Time of Labour in this Act prescribed at the Rate of Three Hours per Week until such lost Time shall have been made good, but no longer...
Halaman 280 - ... findings of the court shall be entered in a book or books, to be kept for that purpose, and known as the "Juvenile Record," and the court may for convenience be called the "Juvenile Court.
Halaman 229 - A small hole is to be made in the charcoal, which is best done by a slip of plate iron bent longitudinally. Into this hole the substance to be examined must be put in very small quantity ; if a very intense heat is to be used, it should not exceed the size of half a peppercorn.
Halaman 228 - ... operations are not confined to obtaining the highest possible temperature; other phenomena must be produced, which require a less intense heat. A very important point in pyrognostic assays is the power of producing at will the phenomena of oxidation and reduction, both of which are easily effected, although diametrically the reverse of one another. 1. Oxidation.— Oxidation goes on most actively at an incipient red heat; and the further we recede from the flame, the better the oxidation is effected,...
Halaman 285 - ... well in equity as at law, save only for the purpose of enforcing any right of action which may have accrued to either of the said parties hereto by reason of the previous breach of any of the covenants, conditions, and agreements herein contained. AND HE, the said AB, for himself, and for his heirs and assigns, doth hereby covenant with the said CD, his executors, administrators, and assigns, that under and subject to the due performance of the covenants, conditions, and agreements herein contained,...
Halaman 277 - ENFRANCHISEMENT. This indenture, made the day of in the year between AB, lord of the manor of of the one part, and CD of in the county of a tenant of the said manor, of the other part : Whereas on or about...
Halaman 278 - And the said covenantor doth hereby, for himself, his heirs, executors, and. administrators, covenant, promise, and agree with and to the said covenantee, his heirs and assigns, in manner following ; (that is to say,) 2.