Deep Well at Deloraine. — Tyrrell. 341 
1665-1715. No specimens received, but stated to be a similar dark grey 
shale. 
1720. A large proportion of the specimen received is a soft clay that is 
readily washed away by the water. What remains is a grey non- 
calcareous clay shale, much lighter in color than the last, is 
rather compact, and does not break into thin flakes. It contains 
a few fragments of fish remains, and some fine irregular angular 
grains of clear quartz sand. 
1730. Similar shale, through which the fine sand is seen to run in thin 
streaks. 
1735. Shale similar to the last with some crystalline aggregates of py- 
rite, and a considerable number of fragments of a hard, very 
slightly calcareous fine-grained sandstone. 
1745. A similar dark grey clay shale, with a few fragments of soft gran- 
ular sandstone, but without any of the hard sandy fragments seen 
in the last specimen. 
1800. A light grey, rather hard, fissile, non-calcareous clay shale, with a 
few small crystals or crystalline masses of pyrite. Some of the 
fragments procured were an inch or more in diameter, and in one 
of them was a small imperfect shell of a Lincjula. 
1808. Dark grey, rather hard, thinly fissile, non-calcareous clay shale. 
No. 16. — A dark grey or greenish-gre}' cla}' mixed witli sand, 
which in the upper portion is composed almost exclusively of casts 
of globigerine forms of foraminifera in glauconite, while in the 
lower portion these appear to be largely replaced by rounded 
grains of white quartz. The specimens examined were as follows: — 
18,15. The specimens of the drillings consisted of dark-grey soft non- 
calcareous clay. On washing this mud a large quantity of beau- 
tiful green sand is left in the bottom of the beaker. Under the 
microscope this sand is seen to be composed of casts in glauconite 
of the interior of foraminifera, chiefly of the genus Olohi(jeritia. 
With the glauconite casts are a few grains of clear quartz, and a 
few small particles of shale, consisting of glauconitic casts of 
foraminifera cemented together by calcite and pyrite. 
1820. Dark grey, soft non-calcareous or very slightly calcareous clay, 
from which a large number of casts of foraminifera in glauconite 
were washed out. In the drillings was a fragment of a calcareous 
nodule. 
1825. Dark grey non-calcareous clay. The residue, after washing, con- 
sisted of well rounded grains of white quartz, and small irregular 
masses of pyrite, with a few casts of foraminifera in glauconite. 
1830. Dark grey, soft, non-calcareous mud. The washed lesidue is com- 
posed largely of rounded grains of white quartz. With these are 
mixed some small masses of pyrite, and a few casts of foramini- 
fera in glauconite. 
No. 17. — Coarse and fine sandstone, often almost incoherent, 
