...he discovered some rich gold ores at the Cwmhcisian mines near Dolgelly. Further researches proved that a complete system of auriferous veins exists...Snowdonian or lower Silurian formations of North Wales. The structure of this district is very singular, consisting of an immense number of alternate and parallel...

...far the richest discoveries of gold have been made at the Dol-y-frwynog, Prince of Wales, Cambrian, and the Clogau mines. Gold has also been found in...drift " by the Hon. F. Walpole, Sir Augustus Webster, myself, and others, a piece of which is now on the table. Mr. Arthur Dean, in a paper read before the...

...found in the " Marine Drift," by the Hon. F. vValpole, Sir Augustus Webster, myself, and others ; and Mr. Arthur Dean, in a paper read before the British...or Lower Silurian formations of North Wales." Upon faith in this statement much current gold of the realm was expended at the Cwmheisian Mines, and very...

...far the richest discoveries of gold have been made at the Dol-y-frwynog, Prince of Wales, Cambrian, and the Clogau Mines. Gold has also been found in the " Marine Drift," by the Hon. F. \Valpole, Sir Augustus Webster, myself, and others; and Mr. Arthur Dean, in a paper read before the...

...Marine drift " by the lion. P. Walpole, Sir Augustus Webster, the author, and others, a piece of whicli was exhibited. Mr. Arthur Dean, in a paper read before...North Wales. Upon the faith of 1861. 9 this, much money was spent at the Cwmheisian mines, and very little gold obtained by smelting operations, for...

...discovered some rich gold ores at the Cwmheisian Mines, near Dolgelly ; and " that further researches proved that a complete system of auriferous veins exists...Snowdonian or Lower Silurian formations of North Wales". — See British Association Report for 1844. Upon faith in this statement, much money was expended...

...Mr. Arthur Dean, who, in a paper published in the ' Ueport of the British Association for 1844,? also stated, 'that a complete system of auriferous veins exists throughout the whole of the Snowdoniau or lower Silurian formations of North Wales.' Recent events would seem, in a slight degree,...

...boldly stated, in the face of national disbelief, that "a complete «yst«m of auriferous veins existed throughout the whole of the Snowdonian or Lower Silurian formations of North Wales. "§ Mr. Dean, and after him Mr. Clement, worked about 500 tons of the Cwmheisian minerals, and obtained...

...rich gold in Cwmhesian, and maintained that "a complete system of auriferous veins existed through the whole of the Snowdonian, or Lower Silurian, formations of North Wales." Five hundred tons of minerals yielded more than £ oz. of gold to the ton. When " poor copper ore "...

...in 1843 by Mr. Arthur Dean, who, in a paper published in the Reports of the British Association for 1844, stated " that a complete system of auriferous...Snowdonian or Lower Silurian formations of " North \Yales." This bold statement, it is needless to add, has never been confirmed, though gold has been...