jaspery

The primary ores consist of pyrite, chalcopyrite, and other sulphides, with large amounts of jaspery quartz and some calcite and dolomite.

The Economic Aspect of Geology 1915

Celts or knives made of jasper and yellowish jaspery slate, which range from 2 to 5 inches in length, and are less than 1 inch in width and half an inch in thickness.

Illustrated Catalogue of a Portion of the Collections Made During the Field Season of 1881 Third Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1881-82, Government Printing Office, Washington, 1884, pages 427-510 William Henry Holmes 1889

At Los Corales, southwest of San Jose, there is much slate, here altered to a coarse, semi-jaspery structure.

Transactions of the American Philosophical Society 1771

I have traversed the entire width of the metamor - phic belt many times andwhile the main features are easily distinguishable have almost always arrived at different conclusions about the dips of the jaspery slates between Tablasas and Pomiel.

Transactions of the American Philosophical Society 1771

In some cases pieces of the wall rock are found inbedded in the syenite; and pebbles one-half syenite the other jaspery slate are not rare.

Transactions of the American Philosophical Society 1771

South of the limestone the same jaspery slates come in again with varying strikes from east and west to N. 35° W., and with all dips up to 80° south.

Transactions of the American Philosophical Society 1771

From there, the heavy bedded sandstones of Nizao Arriba, and the jaspery slates extend to near Maniel.

Transactions of the American Philosophical Society 1771

* I found one loose piece of gray jaspery slata in the bed of the Nigua, of which nearly. a fourth of the surface was made up of flesh - colored grains, apparently feldspar crystals, averaging over an eighth of an inch Across.

Transactions of the American Philosophical Society 1771

On the foiiner stream, at and even below the mouth of Madrigal Creek, the jaspery slates are seamed with dykes of all sizes from a mere thread up to many feet across; while the nearest exposure of the mass is near Gatare, eight miles further up the river.

Transactions of the American Philosophical Society 1771

I collected numerous hand specimens here and elsewhere, in part green or blackish jaspery slate, the remainder syenite.

Transactions of the American Philosophical Society 1771