the angle of the V and separate it from an underlying projection of the feldspathic gneiss which con- tains in places heavy hornblende bands. Spec#657 dupl#658 of diabase from large frag- ment fallen from the sill The sill disappears beneath the sea 25-30 yards west left of snow piled gully showing at left of photo 9x16-4; 4/65 Small grounded iceberg near Broken Rock point. Snow drift and roat on windward (S.E.) side- West of Broken Rock Point a horizontal sheet or sill of diabase 100+ ft thick is exposed in the hornblende gneiss. Projection in- to gneiss show irregularity of fissure. Much more altered than the big sill already mentioned Hornblende gneiss continues to Capr Dudley Cliffs. Its bound- ary with the feldspathic gneiss lies along top of Bird Cliff Rocks loosened by heat roll down cliffs. Thunderously