 | Sir Charles Lyell - Geology - 1833 - 562 pages
...LIMESTONE, PURBECK BEDS. Limestone strata belonging to the Wealden group. See Table II. G, p. 390. PYRITES (Iron). A compound of sulphur and iron, found usually...roofing slate, are a familiar example of the mineral. The word is Greek, and comes from irvp, pyr, fire, because, under particular circumstances, the stone... | |
 | Sir Charles Lyell - Geology - 1833 - 570 pages
...LIMESTONE, PURBECK BEDS. Limestone strata belonging to the Wealden group. See Table II. G, p. 390. PYRITES (Iron). A compound of sulphur and iron, found usually in yellow shining crystals likft brass, and in almost every rock stratified and unstratified. The shining metallic bodies, so... | |
 | geologocal survey of pennsylvania - Geology - 1838 - 446 pages
...occurring only in the older secondary rocks. It is closely allied to the livimg genus Terebratula. Pyritet. (Iron.) A compound of sulphur and iron, found usually...roofing slate, are a familiar example of the mineral. Qwtrtz. A German provincial term, universally adopted in scientific language, for a simple mineral... | |
 | Geological Survey of Pennsylvania, Pennsylvania. State Geologist (1836-1841) - Geology - 1838 - 108 pages
...occurring only in the older secondary rocks. It is closely allied to the living genus Terebratula. Pyrites. (Iron.) A compound of sulphur and iron, found usually...stratified and unstratified. The shining metallic bodice, so often seen in common roofing slate, are a familiar example of the 'mineral. Quartz. A German... | |
 | John Lee Comstock - Geology - 1847 - 434 pages
...strata, belonging to the Wealden Group, which intervenes between the Green-sand and the Oolite. PYRITES. (Iron.) A compound of sulphur and iron, found usually...stratified and unstratified. The shining metallic bod •es so oft en teen in common roofing-slate, are afamiTar example of the mineral. The word is... | |
 | Sir Charles Lyell - Geology - 1854 - 870 pages
...crystals like brass, and in almost every rock, stratified and unslratificd. The shining metallic bodics so often seen in common roofing slate are a familiar example of the mineral. The word is Greek, and comes from np, pyr, fire ; because under particular circumstances, the stone... | |
 | Missouri. State geologist, George Clinton Swallow - Geology - 1855 - 496 pages
...strata, belonging to the Wealden Group, which intervenes between the Green-sand and the Oolite. Pyrites. (Iron.) A compound of sulphur and iron, found usually...in almost every rock stratified and unstratified. Qua-qua-versal Dip. The dip of beds to all points of the compass around a center, as in the case of... | |
 | Sir Charles Lyell - Geology - 1865 - 880 pages
...strata, belonging to the AVealden Group, which intervenes between the Greensand and the Oolite. PYRITES. (Iron.) A compound of sulphur and iron, found usually in yellow shining crystals like brass,'and in almost every rock, stratified and unstratified. The shining metallic bodies so often... | |
 | William Barton Rogers - Geology - 1884 - 880 pages
...only iu the older secondary rocks. It is closely allied to the living genus Terebratula. Pyrite». (Iron.)— A compound of sulphur and iron, found usually...like brass, and in almost every rock stratified and unstrutified. The shining metallic bodies, so often seen in common roofing slate, are a familiar example... | |
 | William Barton Rogers - Geology - 1884 - 880 pages
...usually in yellow shining crystals like brass, and in almost every rock stratified and un.stratitied. The shining metallic bodies, so often seen in common...roofing slate, are a familiar example of the mineral. Quarti.—A. German provincial term, universally adopted in scientific language, for a simple mineral... | |
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PYRITES (Iron). A compound of sulphur and iron, found usually in yellow shining crystals like brass, and in almost every rock stratified and unstratified. The shining metallic bodies, so often seen in common roofing slate, are a familiar example of the... 