1 62, Mr. Hitchins's Account of the Discovery 
lodes which appear, by their intersection, to have generated 
this body of extraneous matter. 
The copper lode bears nearly east and west by the compass; 
the cross lode nearly north and south, or at right angles to it. 
The former is about two feet broad, on an average ; and it 
dips or underlies south, one foot in a fathom. The breadth of 
the latter is about two feet and a half, on an average ; and its 
underlie is east, about eight inches in a fathom. 
The heave of the copper lode is about eighteen or twenty 
inches to the right, in the language of the Cornish miner ; the 
expression being so far appropriate and convenient, as it refers, 
to the usual situation of the observer in the heaved lode. 
The copper lode is filled with layers of ore and stony matter, 
the latter of which is here called Caple ; but the ore is usually 
found contiguous to the walls of the lode. 
The contents of the cross lode are more singular, in respect 
to their local position, and more various. Only the eastern side 
of it produces silver ore, the breadth of which is in general about 
six or eight inches, although in some places it is greater. The 
other part of the lode is chiefly composed of quartz, intermixed 
with iron, manganese, and wolfram, together with a small por- 
tion of cobalt and antimony. 
The silver ore, strictly speaking, is a mixture of galena, native 
bismuth, grey cobalt ore, vitreous silver ore, and native silver ; 
which, in respect to their proportions, follow the order in which 
they are here enumerated, the galena being the most prevalent. 
The native silver, of which specimens of the greatest beauty 
have been reserved for the cabinets of the curious, is found 
chiefly in a capillary form, in the natural cavities of the lode. 
