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A third model postulates that normal seawater is the dolomitizing fluid, and the necessary large volumes are flushed through the dolomitizing limestone through tidal pumping. Dolomite formation at Sugarloaf Key, Florida, may be an example of this process. A similar process might occur during rises in sea level, as large volumes of water move ...
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]
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.
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 Tomstown Dolomite or Tomstown Formation is a geologic formation in Maryland, Pennsylvania, Virginia and West Virginia. [ 2 ] [ 3 ] [ 4 ] It preserves fossils dating to the Cambrian Period . In Maryland it is described as "Interbedded light gray to yellowish-gray, thin- to thick-bedded dolomite and limestone ; some shale layers; gradational ...
Unconformities separate this formation from the underlying Powell Formation and the overlying St. Peter Sandstone Formation. The Everton Formation is composed primarily of dolomite , limestone , and some sandstone as well as a zone of breccia .
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]
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.
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