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Report on the geology of the county of Londonderry and of parts of Tyrone and Fermanagh : examined and described under the authority of the master general and board of ordnance / by J. E. Portlock
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Vlate A

Z 0 71 (7 lb

h// 2 . Section- cl 3 J 3 e.yiievenag}( Mountain

Shewing the great Slif

o m

sw/nti/

shewing an tif/paviiil nr,petition of' -Ural#. resulting /rein a (Pnipomul slip

A_...

' -i

y-.

- JJasaltic

Part of ^fugiUtgan. Sands See Pig f

'Rabble - a.

s** f * iy j'

tig- 3- Sectio n /'rone JSe-wtownLirnaA/afly to S tra dre agio.

v-

£* Red and.

variegated- Marts

OrystcJM* 1 * nrUh veins of(larbon ote fd'L iinr. _

Light coloured and soft

Sandstones calcareous

_

NE or y\\V\ SECTION

LINE or

LINE OF

//?<. SECTION

Fig. 4\ S e c t i o iv

ih^e JPa-f* tslves o f Dwtvg v v e n and, jjov e v a, g h

cvcross

iro

-fed- and0u»-bedded sik JwifcZ

Very coarse Uncle -bedded Conglomerates

Irregularly developed beds of impure -nodular Limestone with occasional/ beds of dark shales.

Oblique lamination- not unfrequenl 1*1 the Sandstones

Tertiary Clays

PortUry

Shales with JidopWchuS\ scales, Plants. &cs portion

itv this portion of Section,

M l C

oUuuiidge aC?hthe London .