Page:Madras journal of literature and science vol 1 new series 1856-57.djvu/18

6 ganized with seams, thick or thin, of chlorite, calcspar, quartz and calcedony, in contact with marl—again, it was seen in vertical shells containing triangular fragments easily separable—again, as vesicular, trap cavities being some times distant and empty, at others close and filled with adventitious minerals—again, it was solid, compact, and of a leaden black hue—again, it was reddish and ferruginous,—again, where it underlies the laterite, it was co-mingled with that deposit, and where it slopes over the syenite, boulders of that rock were imbedded in its mass—these the Committee should be informed, are merely the personal remarks of an inexperienced Geologist. The same appearances with a few exceptions were observed at Loonar and in its neighbourhood. It appears to me, as if the rocks constituting the supposed crater were too compact, to have issued from a sub-aërial volcano, though it is more than probable that this was one of the vents of the great eruption of the Trap of the Deccan, which was at first effused, it is supposed, under the pressure of water.

The points, to which the attention of the General Committee is respectfully solicited in this reference, are the following:—