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Main Dolomite (German: Hauptdolomit, Hungarian: Fődolomit, Italian: Dolomia Principale) is a lithostratigraphic unit in the Alps of Europe. Formation was defined by K.W. Gümbel in 1857. Middle to Late Triassic sedimentary record in the Alpine realm is characterized by presence of various masses of dolomitic rock formations.
Dolomite (also known as dolomite rock, dolostone or dolomitic rock) is a sedimentary carbonate rock that contains a high percentage of the mineral dolomite, CaMg(CO 3) 2. It occurs widely, often in association with limestone and evaporites , though it is less abundant than limestone and rare in Cenozoic rock beds (beds less than about 66 ...
The mineral dolomite is closely related to huntite Mg 3 Ca(CO 3) 4. Because dolomite can be dissolved by slightly acidic water, areas where dolomite is an abundant rock-forming mineral are important as aquifers and contribute to karst terrain formation. [11]
This category contains the geologic formations with a dolomite lithology. Pages in category "Dolomite formations" The following 88 pages are in this category, out of 88 total.
The Lockport Group is made up of four formations. From base to top: Gasport Formation, Goat Island Formation, Eramosa Formation and Guelph Formation. The entire unit is composed of dolomite, with the exception of the Gasport which can be limestone, as well as occasional chert nodules. [2]
The Chepultepec Formation is a primarily limestone and dolomite formation, the earliest formation of the Ordovician period in its area. Further north, it is equivalent to the Stonehenge Formation of the Beekmantown Group. [12] The formation was first described from Allgood, and has also been found in Tennessee and Virginia. [13]
The formation was promoted to group rank by Kelley and Silver in 1952, who divided the group into the Cable Canyon sandstone, Upham dolomite, Aleman formation, and Cutter formation in the Franklin Mountains, [8] but the Montoya remains a formation in southern New Mexico, where its subunits are too thin to be mappable at the usual 1:24,000 scale.
The Schlern Formation, also known as Schlern Dolomite, and Sciliar Formation or Sciliar Dolomite in Italy, is a limestone, marl and dolomite formation in the Southern Limestone Alps in Kärnten, Austria and South Tyrol, Italy. [1] [2] [3]