Z20

Of the Dissolution

Bodies, is to us altogether unknown. ^tho’ it be observed by Colliers, that the heof Coals lie one way, and do alwaystowards the East, let them go never so aeej^>so that, would it quit cost, and were it ^for the Water, they fay, they might pulMthe Bed of Coals to the very Center 0the Earth, the Coals never failing or com»|to an end that way ; yet that is but a raand ungrounded Conjecture. For whatthe depth of the profoundest Mines,they a Mile deep, to the Semidiameter ofEarth ? not as one to four thousand. Cos"paring this Observation of Dipping with hoNotes about other Mines, 1 find that £ ‘ 1 .Veins or Beds of all generally run East 3f] ,West, and dip towards the East. Of wh 1 ^what Account or Reason can we give,the motion of the Earth from West to ErseI know some fay, that the Veins, for'pie, of Tin and Silver, dip to the N orfj!’tho’ they confess they run East andwhich is a thing l cannot understand,Veins of those Metals being narrow tsoG^Sir Tho. Willoughly , in his fore-mentioj 1 ^

Letter writes thus; -I have tal^'

with some of my Colliers about the lyi n fo 0 (the Coal, and find, that generally the stabend ( as they*call it) lies West-, anddeeper toward the East , allowing ab otI

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