Small creek 1 mi.east of Dover Bay, outcroo in v;est bank just 
IT. of IT.Y.C.and St.l.H.R. 
Chagrin 
§*- 
hr. 
14» "h / \ 
4 f ' eray fissile sh.,1 layer sandy and somewhat fissile and 1* thick, 
lb inches above base. 
6 ,f v Black shale 
# 2 " 
Grayish greenish blue sh. y $ore or less fipsile with 4 to 6 thin 
sandy iayors m upper 2/o, the latter fissile and scarcely a 
sandstone, one layer about midheight reaches 3 in. in thickness. 
2V 1 ft. mostly -olaty and partly fissile sandy sh.and ss. Bluish fresh. 
t 1 ft. slaty bl.sh. with conodonts,ceraticarids,and plant remains,all 
rather rare..1 rotosalvinia of small size,exceedingly abundant, 
nothing of kind observed in underlying Chagrin. Lower 2 in. or so 
of bed not so black as remainder. 
•> v*. 
~. & 
3* Soft ,unctuous,green to dark-gray shale,nearIv 1 ft. at top,beneath 
which sandy layers occur frequently in similar shale. 
Contact in exposure shows a rusty,unlaninated seam l/32 to l/4 inch thick. 
Lake shore 573 
Farther up creek to crossing of main (Korth ridge) road - a mile more from lake - 
higher beds are seen in bank of creek and in excavation on roadside to east and west of 
culvert. r/ „ 
oad f*^ # 
15 ft. 
abundant 
Protosalvinia. 
Here somethin* like 15 nV* 15 ’ Blui ? h „ Bh * in creak ^* of ridge road. 
of rather soft,moderately fissile 
very dark or black shale, the base of 
which can hardly be more than 15 ft. - and. may be less - above the top of preceding 
section of basal Omsted section. 'Tiis shale contains ceratiocarid, few conodonts, and 
plant remains, these were not found in place but seem to have come from the lower part 
which may have been loss fissile than the main part of bed. The ceratiocarid however 
also occurs in the upper foot of the black shale near the transition into the overlying 
gray shale• 
The black is overlain by about 6 ft. (all exposed) of gray shale rather soft yet fis¬ 
sile sh. The layers and flakes when thrown out in excavation weather white when the fresh 
a P^ fusty where tho older partings are concerned. The material does not 
meit down like uhe simulating but really much more clayey Chagrin; and it contains^ 
