360 Further Queries on the Strata of Durham, ec. 
the Miner’s operations, in the Mining district (where its proper 
places are beneath the surface), I shall be greatly cbliged, that 
Mr. Forster, Mr. Winch, &c. would add in your pages, all other 
instances that may be in their power; with the depths, thick- 
nesses and dips, in each instance, 
From this view of the subject it appears then, that [ may now 
add to my Ist Query in p. 123, the further request to be told, 
whether the Coal and adjacent Limestone, which have been dug 
between Me]merby Lane-end and Ardale Water*, belong or match 
to those Coal and Limestone, stretching from the Coast, between 
the Coquet and Wensbeck, to Stublic, &c. ; the peculiar Organic 
Remains, and succession of Strata in each case, to be well con- 
sidered before giving such Answer; and, do not these same Coal 
and Limestone, match to those of Tindal-Fell?, Query 6 in 
p. 252. 
And for like reasons I now infer, with more confidence than 
is intimated at bottom of p. 123 of your last volume, that Mr. 
Winch’s basaltic edge, traced from Causeway-Park to Timming 
or Temon, may be further traceable from thence north-westward, 
and then north, and north-eastward, perhaps round the western 
slopes of Bolton-Fell Hill? and Kinkery-hi!l? to Routledge 
Burn on English Kershope Farm, 1 m.S of the House (which is 
on the very Border of Scotland), where I have myself seen this 
Basaltic Stratum, covered by a Limestone of several yards thick, 
and perhaps underlaid by another Limestone, dipping very fast 
to the WNW, into the Liddesdale Trough. At Slaty-ford higher 
up onthe same Burn (which the contrary way runs down to 
Bailey-head) a Limstone is seen, which perhaps may be the 
same as here covers the Basalt?: and in'Craigy Cleuch, 
ENE of Kershope-house, the Basalt appears again, forming bold 
clifis. I shall feel extremely obliged to any Gentleman, who 
may be able to trace forwards this edge of the upper Basaltic 
Stratum, to the north-eastward, towards Carter-fell. 
9th. I have heard, that at Lewisburn and Plashets there are 
Coals ;—which way do they dip? and do they underlie the Basalt 
above mentioned, and belong to the lower division of the Coal- 
series lapping round the Cheviot mass? see my Ist and 7thQueries 
in p. 122 and 252; or, do they over-lie it, and belong to the 
Lead-mine series ? 
10th. Resuming now, as I intimated I should do, the consi- 
deration of the vicinity of Tyne-head Smelting-house, I beg to 
ask, whether, by “the Back-bone or Great Sulphur Vein,” 
* Geo, Trans. iv, 113. The rearing position of these Strata, seems unneces- 
sarily to have been ascribed to dislocation and tilting ; because, such highly 
inclined positions of Coal-seams, ona great scale, are not very uncommon, 
See Williams's Min. King, 2d Ed, i, 103, 
p- 2 16, 
