They are composed of clay mixed with gravel, and covered with a wall of amygdaloid.
It is found in connection with isolated blocks of amygdaloid, of primitive greenstone, and of petrosilex.
Chalcedony, apparently from amygdaloid of the trap formation, was also found at Port Warrender.
Vesicular lava and amygdaloid are the chief ingredients of some of the best parts of Australia Felix.
Mr. Collins found the bank composed of amygdaloid sand, decomposed rock and sandstone, with many traces of iron.
I have never yet seen a rock in which this earth was so abundant as in the amygdaloid of Scuir More.
She listens as to a fairy tale, and then I tell her of the stellar crystals concealed in the rough crust of the amygdaloid.
I climb thy mountains of amygdaloid and porphyry—thy crags of quartz, that yield the white silver and the yellow gold.
Masses of the two former minerals were also found imbedded in amygdaloid and trap-rock, thus denoting the parent beds of rock.
The houses present a magnificent appearance, being built of porphyry and amygdaloid.
amygdaloid a·myg·da·loid (ə-mĭg'də-loid') or a·myg·da·loi·dal (ə-mĭg'də-loid'l)
Shaped like an almond.
Of or relating to an amygdala.