mineral formation
21mineral vein — noun a layer of ore between layers of rock • Syn: ↑vein • Hypernyms: ↑geological formation, ↑formation • Hyponyms: ↑bonanza …
22mineral — I (New American Roget s College Thesaurus) n. inorganic substance, ore (see inorganic matter). II (Roget s IV) modif. Syn. geologic, rock, metallurgic; see metallic 1 . n. Syn. inorganic material, earth s crust, geologic formation, geologic rock …
23formation — for•ma•tion [[t]fɔrˈmeɪ ʃən[/t]] n. 1) the act or process of forming or the state of being formed 2) the manner in which a thing is formed; formal structure or arrangement 3) mil a) mil spo a particular arrangement or disposition of persons, as… …
24clay mineral — any of a group of hydrous aluminum silicate minerals, as kaolinite, illite, and montmorillonite, that constitute the major portion of most clays. [1945 50] * * * Any of a group of important hydrous aluminum silicates with a layered structure and… …
25Dietary mineral — Dietary minerals (also known as mineral nutrients) are the chemical elements required by living organisms, other than the four elements carbon, hydrogen, nitrogen, and oxygen present in common organic molecules. Examples of mineral elements… …
26Marcellus Formation — Stratigraphic range: Middle Devonian …
27Géode (minéral) — Géode d améthyste, Brésil. Une géode (du grec γεώδης geodes, «comme la terre» : γη̃ (guê) « terre » et de ειδής de ει̃δος (eïdos) « forme, aspect ») est une cavité rocheuse tapissée de cristaux souvent automorphes et d… …
28Old Port Formation — Stratigraphic range: Early Devonian Ridgeley Member of the Old Port Formation Type sedimentary Unit of …
29Crevasse Canyon Formation — Stratigraphic range: Upper Cretaceous Type sedimentary Unit of Mesaverde Group Sub units Dilco Coal Member, Dalton Sandstone Member, Gibson Coal Member Underlies Point Lookout Sandstone …
30Niobrara Formation — Stratigraphic range: Coniacian Campanian Type Geological formation Sub units Smoky Hill Chalk Member Fort Hays Limestone Member Underlies Pierre Shale …
