[75]

structure has been given by some other authors — [sketch]

I believe or it, from Falkland & Valdivia &c when inclination little, like folded bed, but never horizontal — where elevation great, we see most highly inclined strata — general role of cleavage lamination is above 45º —

NB. The laminae of quartz at M. Video, from being connected with veins, not a layer of silaceous sand metamorphosed.

[75v]

p. 65 M. Video

in mica query slate & phyllade, but chiefly in the latter, smooth parallel planes of fracture: these cross those of cleavage & of dip to one of the points of direction. —

fissures{

This was generally towards the East & at angle from 10° ... 20°; thus forming steps on the edges of the plates of cleavage: —

These facts were chiefly notcied on the Southern W base of the Mount.