165 
SECTION No. 5—Continued 
Section of Strata sunk through at Bowson Colliery, in the Northern 
portion of the Forest of Dean. 
Thickness | Distance Total 
Description of Measures =. | between fein +0 
inches | coal seam seam 
ft. sine ets im: || fb. Im: 
55—Gray rock 8 8 
56— " aan ea ae Bele ate g Nap 5 
57— " aa8 ave ay ae Be 30 11 
58—Blue rock See 43 ae old 
59—Gray rock ... Ae S50 6 ai 4 7 
60—Red clod ois ae. acy veal aelon. 2 
61—Blue and gray rock . aes Hc zene ooo 
62—Hard Pennant rock .. Boke son ...| 168 0} 355 10 
63—Coal ... a 6 He Ara 1 6 818 8 
64—Fireclay or under-earth ... aes See 1 6 
¥ 65—Gray Pennant rock .. Sc see | 40 0 
: 66—Hard Pennant rock ... ae ie ss 6 0 866 2 
SECTION No. 6 
Section of the Coal Measures of the Forest of Dean 
Taken from the Memoirs of the Geological Survey, 1856, Vol. I. 
Thickness 
E Distance Total 
Description of Measures uuteee eee depth to 
; inches | coal seam ditto 
ft. i ft. in. | ft. in. 
1—Sandstone ... 48 
2—Red argillo arenaceous shale ‘and ironstone 30 
3 —Red argillo arenaceous shale sts | OL 
4—Sandstone... nee ooh ies om 3 
5—Blue and red shale ... ae ope Seale oe 
6—Gray sandstone oe eae os 2 
7—Red argillo arenaceous shale "ie ciel ee I) 
8—Sandstone ... Roe ace ae ve 2 
9—Argillaceous shale ... “¢ oe realy LD 
10—Hard red arenaceous shale .. dp 2c 9 
11—Soft argillaceous shale aoe — oe 9 
12—Reddish sandstone ... aos Soe ca orale 
13—Argillaceous shale ... ioe wee =| 
14—Red and gray sandstone... set xe 2 
15—Argillaceous shale ... aa ae Bs 
16—Gray shale... as ae see eel gto 
17—Coal ... 
18—Under-clay 
270 6) 270 6 
4 3| 274 9 
SOM] Ow] OMMOOCOSCSODSCSOROSCSCSOOB 
0 
4 
19—Coal ... a Soc aoe sO os 0 
20—Under-clay ... ac 4 
