OF CORNWALL. 161 
foffils ', found none of this fort. “ I neither faw, fays he ', nor 
could learn upon enquiry, that there was either pipe, float, or belly 
of ore in Cornwall,” yet fuch there are, and in federal places ; in- 
deed tin is not fo often found in this pofltion as in a lode, the fame 
fubftance which fills the fiflure, and there concretes into a wedge- 
like form, not meeting with fo many horizontal as perpendicular 
cavities for it to reA in. The floors are found at the depth of many 
fathom, and fometimes very rich, as were Bal-an-uun, in the parifh 
of Lannant, and Huel-grouan, in the parifh of Breag; and the 
fame ore fliali be fometimes in a perpendicular lode for feveral fa- 
thoms, and yet in depth diffufe itfelf into a floor. Where thefo 
floors are, the mines are ordinarily more dangerous, as well as ex- 
penfive than others, the largefi and firongefi timbers being required 
to fecure the feveral paflages of the mine, and great care mufl be 
taken that fupporters, though of the richefi tin, be left untouched 
at proper intervals; for want of this caution (which never fhould 
give place to gain) the ground at Bal-an-uun before-mentioned, for 
a large compafs, and without any previous notice, funk down-right 
a few years fince, and buried all the men below, and all above 
within reach of the fatal circle. 
Tin-ore is alfo found difperfed in fpots and bunches in the body sect.iv, 
of the Aone, where there appears no fiflure, lode, floor, or rectangular * n fpots. 
interactions, as in other fir at a. Thefe fpots are fometimes fo large 
and numerous when in granite, (as in Trevegeon in St. Jufi) that 
they well requite the labour of the tinner, though he is generally 
obliged to blafi the rock, and afterwards break it with fledges, in 
order to get at the tin. 
If thefe fpots be in the blue Elvan Aone (as we find them near 
the Land’s End) no iron will pierce the Aone, neither can it be 
blaAed with gunpowder. 
Tin is alfo found diflfeminated on the fides of hills in Angle sect. v. 
ftones, which we call Shodes, (as is before obferved) fometimes af nfllodeand 
furlong or more difiant from their lodes, and fometimes thefe loofo rcam ’ 
ftones are found together in great numbers, making one continued 
courfe from one to ten feet deep, which we call a Stream ; and 
when there is a good quantity of tin in it, the tinners call it, in the 
Corniflh tongue, Beuheyl, or a Living Jiream ; that is, a courfe of 
ftones impregnated with tin '. In like manner, when the Aone has 
a fmall appearance of tin, they fay it is juA alive ; when no metal, 
it is faid to be dead ; and the rubble which contain no metal, is 
1 Woodward’s Method of Foffils, page 55. 1 See IK, Plate XVII. Fig. vni. page 149. 
k Tracts, vol. I. odtavo, tract ii. page x. 
T t called 
