Definitions
from The Century Dictionary.
- Having the structure indicated by the term pisolite: as, pisolitic iron ore, etc. See
pisolite .
from the GNU version of the Collaborative International Dictionary of English.
- adjective (Min.) Composed of, containing, or resembling, pisolite.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective mineralogy Composed of, containing, or resembling
pisolite .
Etymologies
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Examples
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It is thought that the solution and redeposition of the iron by organic acids from plant roots may be at least a contributing cause in the formation of this pisolitic texture.
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The most valuable deposits are residual, and some parts have preserved the texture of the original rock, though with great increase in pore space; most of the ore, however, has the typical pisolitic structure.
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The bauxite is earthy, and usually shows a concretionary or pisolitic structure similar to that observed in residual iron ores (p. 172).
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He saw that the difference between these formations, in their structural aspect, and the hand-specimens in his collection of pisolitic and brecciated minerals was chiefly a matter of size; and that the resemblances in form were very close.
The Life of John Ruskin Collingwood, W G 1911
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He saw that the difference between these formations, in their structural aspect, and the hand-specimens in his collection of pisolitic and brecciated minerals was chiefly a matter of size; and that the resemblances in form were very close.
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Above this is an ash bed, then a bed of breccia containing fragments of trachyte, then another bed of cinders, which looks like a rough sandstone, but is pisolitic, and contains pebbles of the size of a bean.
The Naturalist in Nicaragua Thomas Belt 1855
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The hill crops out through pisolitic limestone, in which marine fossils were observable.
The Discovery of the Source of the Nile John Hanning Speke 1845
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Among other things, barren massive sulphide lenses have been identified at the top of the rhyolitic unit, along with lenses of so-called "pisolitic rhyolite" (likely chert in gel form), typical Selbaie-environment marker horizons.
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Slide 24: • nonmetallic • NOT a mineral at all • yellow, brown, red • pisolitic (formed of small, pea-shaped beads) • 2 - 3 hardness
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Slide 24: • nonmetallic • NOT a mineral at all • yellow, brown, red • pisolitic (formed of small, pea-shaped beads) • 2 - 3 hardness
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