1856..
SALTER LONGMYND FOSSILS.
247
series. See Section, fig. 1. The
fossiliferous beds, therefore, are
fairly packed in with strata which
are not only distinct in mineral
character from any of the Llandeilo
flags or Lingula-beds to the west
of them, but are unlike the upper
portions even of the Longmynd
rocks themselves.
The transverse valleys or gut-
ters" on the east side of the moun-
tain afford excellent sections. Of
these, the brooks at All Stretton,
Church Stretton, Little Stretton,
Minton, and Batch are the principal;
and along these rivulets the follow-
ing succession may be everywhere
observed, in ascending order*.
1. Dark-olive schists, with very
rare lines of crystalline limestone.
Church Stretton, All Stretton, Bro-
cards Castle, &c.
2. Harder beds, often rippled,
some felspathic, alternating with
thin courses of dark-greenish shale.
All Stretton Quarries, the Burway,
and Minton.
3. A thick series of hard and
greenish sandstones, generally very
fine-grained, except near the top
where they are flaggy, rippled, and
micaceous, and contain the fossils
hereafter noticed. These sand-
stones form the hills of Synold's
Coppice and Bodbury Ring, are seen
at the Carding Mill, the Devil's
Mouth, Winter Hill, and the ridge
between Round Hill and Callow
Hill, and have been traced as far as
the Packet Stone, above Minton.
4. Red slates and harder beds.
Conspicuous above the Carding Mill,
Church Stretton, W. of Yearling
Hill, Little Stretton.
5 . Alternating grey and red slaty
beds and sandstones.
6. Hard grey beds like No. 3.
Light-spout Waterfall, above Church
Stretton.
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• See also Silurian System, 1839, chap. xxi. p. 255, and p. 717. pi. 32. fig. 1,