| 单词 | hornstone |
| 例句 | In the early days, Greenlawn was dotted with wooden markers but by the 1820s, burial markers were crafted from hornstone, which was stronger and more durable than wood. Indiana’s first public cemetery established 228 years ago 2016-09-11T04:00:00Z The pebbles on the beach consist of quartz, red jasper, hornstone, and flinty slate, but do not contain any stone resembling chalk flint. Narrative of the surveying voyages of His Majesty's ships Adventure and Beagle, between the years 1826 and 1836 Volume I. - Proceedings of the First Expedition, 1826-1830 2012-02-24T03:00:32.793Z It runs also into varieties of jasper, chalcedony, and common quartz; and the different gradations from well-characterized hornstone, until its distinctive characters are lost in other sub-species of quartz, may be distinctly marked. Scenes and Andventures in the Semi-Alpine Region of the Ozark Mountains of Missouri and Arkansas 2011-07-10T02:00:18.883Z The porphyry has a compact basis, like hornstone, of a dull brown colour, which contains imbedded crystals of felspar and quartz, and occasionally of augite. Narrative of a Second Expedition to the Shores of the Polar Sea The facing of the cloven surfaces was done by hammer-dressing, using rounded masses of quartzose hornstone, held in the hand without any handle. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 1 "Edwardes" to "Ehrenbreitstein" But besides those, I observed many rocks in these hills, especially in deep vallies, where they were disposed in vertical strata, running easterly and westerly, and consisting of limestone, hornstone, and aggregates, usually called primitive. An Account of The Kingdom of Nepal And of the Territories Annexed to this Dominion by the House of Gorkha The shales become dense, highly crystalline rocks of a "hornstone" type, with porphyritic developments of silicate minerals. The Economic Aspect of Geology Masses, and in some instances nodules, of hornstone, resembling true flint, are found imbedded in it; yet it is not to be confounded with the chalk formation. Scenes and Andventures in the Semi-Alpine Region of the Ozark Mountains of Missouri and Arkansas 2011-07-10T02:00:18.883Z The rocks about Kingston are usually a very compact limestone, of a bluish-gray color, having a slight silicious admixture, increasing as the depth increases, with occasional intrusions of quartz or hornstone. The Conquest of Canada (Vol. 1 of 2) In many places were strata, sometimes horizontal, but more frequently inclined at an angle of about forty-five degrees, consisting of limestone, hornstone, and conglomerate. A Journey to Katmandu (the Capital of Napaul), with The Camp of Jung Bahadoor; including A Sketch of the Nepaulese Ambassador at Home The copper ore which I saw adhered to whitish hornstone, or earthy quartz. An Account of The Kingdom of Nepal And of the Territories Annexed to this Dominion by the House of Gorkha On the summit I found hornstone and granular felspar. Three Expeditions into the Interior of Eastern Australia, Volume 2 The surface of the soil exhibits some fragments of hornstone and radiated quartz, with indications of iron-ore. Scenes and Andventures in the Semi-Alpine Region of the Ozark Mountains of Missouri and Arkansas 2011-07-10T02:00:18.883Z Dark grey porphyritic hornstone, approaching to compact felspar, with imbedded crystals of felspar. Narrative of a Survey of the Intertropical and Western Coasts of Australia Performed between the years 1818 and 1822 — Volume 2 About ten miles N.E. of Great Bay de Noquet, we found flint, or hornstone, in small quantities in the limestone rocks. Personal Memoirs of a Residence of Thirty Years with the Indian Tribes on the American Frontiers Bowlders of flint are broken with a sledge-hammer made of a rounded pebble of hornstone set in a twisted withe. My Native Land The United States: its Wonders, its Beauties, and its People; with Descriptive Notes, Character Sketches, Folk Lore, Traditions, Legends and History, for the Amusement of the Old and the Instruction of the Young Often they pitch their tent on the ice, and then cut such holes through it, using ice-chisels of metal when they can get copper or iron, but when not, employing tools of flint or hornstone. The Antiquity of Man Above this, constituting the top layer, or surface soil, rests a bed of diluvial materials, filled with broken-down fragments of rock, masses of radiated quartz, and chips of hornstone. Scenes and Andventures in the Semi-Alpine Region of the Ozark Mountains of Missouri and Arkansas 2011-07-10T02:00:18.883Z Its edges, a little translucid, give it some resemblance to the hornstone, so common in secondary limestones.* Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1 Below this, and in place of the shales, are talc-schists, jasper, and hornstone; and at the bottom, instead of the siliceous and argillaceous sandstones, are quartzite and gneiss. The Student's Elements of Geology The barbs for Indian arrows, frequently found in this region, appear to have been chiefly made of hornstone. f. Scenes and Andventures in the Semi-Alpine Region of the Ozark Mountains of Missouri and Arkansas 2011-07-10T02:00:18.883Z A new period of repose then ensued, during which various sulphurets were introduced, together with hornstone quartz, by which angular fragments of the older quartz before mentioned were cemented into a breccia. The Student's Elements of Geology |
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