The Gold Rocks of Great Britain and Ireland: And a General Outline of the Gold Regions of the World, with a Treatise on the Geology of GoldChapman and Hall, 1853 - 324 páginas |
Otras ediciones - Ver todas
The Gold Rocks of Great Britain and Ireland: And a General Outline of the ... John Calvert Sin vista previa disponible - 2018 |
The Gold Rocks of Great Britain and Ireland: And a General Outline of the ... John Calvert Sin vista previa disponible - 2018 |
Términos y frases comunes
Alstone Moor assayer assays auriferous Australia Britain Bulmer claims Cleuch Head Clydesdale companies containing gold copper Cottonian MSS county of Devon crown Cwmheisian deposits Devon Dictionnaire des Sciences diggings discovered discovery Dolfrwynog Duke of Bedford Earl Edward Edward III Edward IV electric England English existence of gold Fodinæ Regales geological gold and silver gold fields gold is found gold localities gold mines gold or silver gold regions gossan grains Henry Henry VI History hundred Ibid Ireland iron pyrites king land likewise lodes mass Mendip Merionethshire mineral Mineralogy mines of gold Mines Royal Corporation Mining Journal native gold natural gold nugget obtained Opera Mi Opera Mineralia Explicata Otho ounces patent pennyweights Plowden's Reports pounds Precious Metals precipitated prerogative quartz Queen reign rich river rocks Roderick Murchison royalties sands Scotland silver mines silver-lead Sir John Pettus South specimens stream sulphurets surface Wales washing Watson's Compendium Wicklow yield
Pasajes populares
Página 182 - Surely there is a vein for the silver, And a place for gold where they fine it. Iron is taken out of the earth, And brass is molten out of the stone.
Página 224 - ... region, in that part of the country which I have examined. They are found in a belt of land from thirty to sixty miles broad, and running parallel with the axis of the range ; and, from facts that I have ascertained from others, I have no doubt but that they exist throughout all the goldbearing region, both north and south.
Página 99 - About 160 years since, two gold mines were stated to have been discovered ; one at Pollux Hill, in Bedfordshire, and the other at Little Taunton, in Gloucestershire. The Society of Mines Royal seized them, and granted two leases of them to some refiners, who extracted some gold ; but they did not go on with the work, as the gold sometimes would not repay or requite the charge of separation, though sometimes it did.
Página 270 - Majesty that it may be enacted, and be it enacted by the King's most Excellent Majesty, by and with the Advice and Consent of the Lords Spiritual and Temporal, and Commons, in this present Parliament assembled, and by the Authority of the same, That all and every Person and Persons...
Página 224 - ... higher than the surface of these beds. On ascending from the lower hills towards the mountains, the diluvial beds no longer occupy the same relative position : occasionally deposits of rounded stones can be found in the valleys and on the sides of the hills, but when this is the case their origin can always be traced to deposits existing on the tops of the surrounding hills, from which they have been brought down by the action of the causes now at work. As we ascend towards the axis of the chain,...
Página 177 - The gold was found, accompanied by other metallic substances, dispersed through a kind of stratum composed of clay, sand, gravel, and fragments of rock, and covered by soil, which sometimes attained to a very considerable depth, from twenty to fifty feet, in the bed and banks of the different streams.
Página 270 - ... is made immaterial; it being enacted that no mines of copper, tin, iron, or lead shall be looked upon as royal mines, notwithstanding gold or silver may be extracted from them in any quantities ; but that the King, or persons claiming royal mines under his authority, may have the ore (other than tin ore in the counties of Devon and Cornwall), paying for the same a price stated in the act.
Página 225 - ... feet high, formed entirely of the older rocks, no traces of deposits being found on their surface, nor in the ravines that lead from them. " The depth of these deposits is extremely variable. Sometimes nothing more than a trace of them in the presence of a few round pebbles lying on the top of a ridge is found ; the valleys and ravines in the neighbourhood containing their disintegrated elements in considerable quantities. In other instances, particularly where spread out over the elevated flats,...
Página 225 - ... forming continuous beds of some miles in extent, which are rarely interrupted by the protrusion of any of the older rocks. Where found in these elevated situations, the lower hills and valleys are entirely free from them ; frequently a large section of the country will be enclosed from two high ridges capped by deposits, and diverging from a common point ; in the intervening space will be seen many secondary ridges, sometimes fifteen or eighteen hundred feet high, formed entirely of the older...
Página 270 - Tweed, wherein any one now is, or hereafter shall be discovered, opened, found, or wrought, and in which there is copper, tin, iron or lead, shall and may hold and enjoy the same...