How To Use Hornstone In A Sentence
-
During a ride to a natural tank amongst these rocky elevations, I passed from the alluvium to the sandstone, and at once met with all the prevailing plants of the granite, gneiss, limestone and hornstone rocks previously examined, and which I have enumerated too often to require recapitulation; a convincing proof that the mechanical properties and not the chemical constitution of the rocks regulate the distribution of these plants.
Himalayan Journals — Complete
-
Chert is sometimes called hornstone; also the term chert is often applied to any impure flinty rock, including jaspers.
Tseh So, a Small House Ruin, Chaco Canyon, New Mexico :
-
In the bed of the river, whose waters are beautifully clear, are hornstone rocks, dipping north-east, and striking north-west.
Himalayan Journals — Complete
-
hornstone" type, with porphyritic developments of silicate minerals.
The Economic Aspect of Geology
-
These hills are of limestone, and rounded, resting upon others of hornstone and jasper.
Himalayan Journals — Complete
-
The flat slabs were generally of slate or hornstone; but many of them, and all the larger ones, were of syenitic granite, split by heat and cold water with great art.
Himalayan Journals — Complete
-
By the banks of a deep gully here the rocks are well exposed: they consist of soft clay shales resting on the limestone, which is nearly horizontal; and this again, unconformably on the quartz and hornstone rocks, which are confused, and tilted up at all angles.
Himalayan Journals — Complete
-
The next two cases (21, 22) are devoted to the varieties of common quartz, including the flexible sandstones of Brazil (of which there are some larger specimens upon a separate table) and to those of the east; milk quartz; the Salzburg blue quartz, &c.; some varieties of the cat's eye; hornstones, including wood changed into hornstone: and herein begin the flints, including some specimens changing into calcedony, smalt blue calcedony from Transylvania; the Icelandic stalactical calcedony; and the fine Cornish calcedony.
How to See the British Museum in Four Visits
-
Chert is sometimes called hornstone; also the term chert is often applied to any impure flinty rock, including jaspers.
Tseh So, a Small House Ruin, Chaco Canyon, New Mexico :
-
On the banks I observed much granite, with large mica crystals, hornstone, tourmaline, and stratified quartz, with granite veins parallel to the foliation or lamination.
Himalayan Journals — Complete
-
The hills are hornstone and quartz, stratified and dipping southerly with a very high angle; they are very barren, and evidently identical with those on the south bank of the Soane; skirting, in both cases, the granite and gneiss range of Paras-nath.
Himalayan Journals — Complete
-
Following up the stream I came to some rapids, where the stream is crossed by large beds of hornstone and porphyry rocks, excessively hard, and pitched up at right angles, or with a bold dip to the north.
Himalayan Journals — Complete