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Limestone: The Calcium Carbonate Chemical Sedimentary Rock

 · Commodity Statistics and Information. Statistics and information on the worldwide supply of, demand for, and flow of minerals and materials essential to the U.S. economy, the national security, and protection of the environment.

Carbonate Shelf Sequence

Unit includes unnamed Pennsylvanian and Lower Permian limestone and sandstone beds in Lincoln County, the Spring Formation in Clark County, the Riepe Spring and Ely Limestones (undivided) in White Pine County, and limestone and dolomite rocks not

Karst Aquifers

Karst terrain is created from the dissolution of soluble rocks, principally limestone and dolomite. Karst areas are characterized by distinctive landforms (like springs, caves, sinkholes) and a unique hydrogeology that results in aquifers that are highly productive but extremely vulnerable to contamination.

Geologic units containing Limestone

Galena FM- dolomite, minor limestone; chert in lower half. Approx thickness 230 ft. Decorah FM- brown limestone and dolomite; gray-green and brown shales at top and base. Approx thickness 60 ft. Platteville FM- fossiliferous gray limestone and brown

USGS Groundwater Information: The Importance of Ground Water in the Great Lakes Region (USGS …

Carbonate rocks (limestone and dolomite) are the most common bedrock aquifers in the region (). Natural processes may increase permeability by dissolving carbonate minerals in these aquifers, but this increased permeability makes the aquifers more vulnerable to contamination.


SOUTHERN OKLAHOMA PROVINCE (061) By Mitchell E. Henry and Timothy C. Hester INTRODUCTION The Southern Oklahoma Province (061) is a relatively well explored (mature), petroleum-rich, province of Paleozoic age located in south-central Oklahoma. The

Limestone, dolomite, shale, sandstone, and conglomerate …

Humboldt Assemblage - Limestone, dolomite, shale, sandstone, and conglomerate. XML. JSON. Unit consists of the Star Peak Group which lies depositionally on the volcanic and volcaniclastic rocks of the Koipato Group (TRkv). Map unit includes rocks mapped as Cane Spring, Natchez Pass, Prida, Augusta Mountain, Congress Canyon, Fossil Hill, Favret ...


Ridge Dolomite) Gray, cherty dolomite and limestone, fine- to medium-grained. Maximum exposed thickness in Sequatchie Valley 600 feet. (Units in Onc are alos mapped as OCk on the West-Central Sheet) Flynn Creek Structure Obr Ordovician Breccia

USGS: Geological Survey Bulletin 1386 (Devonian System)

Dark dolomite and limestone in the lower part of the marker zone contain well-preserved fossils in a varied assemblage. Four quartzose zones are widely spaced between the dolomite zones, and two are within 145 feet above the upper dolomite zone. The quartzose ...

USGS High Plains Aquifer WLMS: Generalized geology and …

The average groundwater flow velocity in the High Plains aquifer is about 1 foot per day ( Gutentag and others, 1984). Depth to water is the difference between the altitude of land surface and the altitude the water table. The generalized depth to water in the High Plains aquifer in 2000 ranged from land surface to more than 300 feet below land ...

About: Limestone

In old USGS publications, dolomite was referred to as magnesian limestone, a term now reserved for magnesium-deficient dolomites or magnesium-rich limestones. (en) Kalkoŝtono estas blanka sedimenta ŝtonaĵo, kiu konsistas plejparte el kalcia karbonato en ties ambaŭ mineralformoj kaj aragonito (ambaŭ ) kaj el dolomito ().


PERMIAN BASIN PROVINCE (044) By Mahlon M. Ball INTRODUCTION The Permian Basin is one of the largest structural basins in North America. It encompasses a surface area in excess of 86,000 sq mi and includes all or parts of 52 counties located in West

Geolex — Knox publications

 · Geographically extended to VA. Generally, a heavy-bedded gray magnesian limestone or dolomite with some residual chert. 2000-3000 ft thick. Late Cambrian and earliest Ordovician age. Overlies Nolichucky shale. Source: GNU records (USGS DDS-6; Reston

Dolomite (rock)

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 old USGS publications, it was referred to as magnesian limestone, a term now reserved for magnesium-deficient dolomites or magnesium-rich limestones. ...


Both limestone and dolomite are important from an economic standpoint in the Birmingham district. Limestone is used for lime and cement, and both limestone and dolomite are extensively utilized as flux in iron smelting. Indeed, this fluxing material is one of the three essential factors in the great industrial development of the Birmingham district, coal and iron, of course, being the other two. Along …


dolomite dolomitic magnesian limestone A closely related rock is dolomite, which contains a high percentage of the mineral dolomite, CaMg(CO 3 ) 2. In old USGS publications, it was referred to as magnesian limestone, a term now reserved for magnesium-deficient dolomites or magnesium-rich limestones.


Limestone reservoirs are more numerous in the United States than dolomite reservoirs (by a ratio of about 3 to 1) because limestones are more abundant than dolomite. However, in the eight states that account for over 90% of United States carbonate reservoirs ...

Industrial limestones and dolomites in ia: northern and …

The Mosheim limestone, composed largely of high-calcium limestone, is the important "quarry rock" of the area. Other formations containing high-calcium limestone include locally a part of the Lenoir, the upper part of the Chambersburg in the western belts of Shenandoah County, and relatively thin units in the Beekmantown along the eastern side of the Massanutten Mountain syncline north of ...

Lime Statistics and Information

Lime Statistics and Information. Lime is an important chemical with numerous chemical, industrial, and environmental uses in the United States. It was primarily a construction commodity until the rapid growth of the chemical process industries at the beginning of the 20th century. At the beginning of the 20th century, more than 80% of the lime ...


The high-quality limestone and dolomite reservoirs resulted from extensive subaerial exposure and karst processes. Drilling depths to the reservoirs range from about 800 to 2,500 ft. This trend is confined to east-central Kentucky where, between 1900 and the ...

Porosity and Bulk Density of Sedimentary Rocks

Limestone, dolomite, chalk, and marble_____ 26 3. Shale, claystone, and slate_____ 36 4. Unconsolidated materials_____ 41 5. Other rockm CONTRIBUTIONS TO POROSITY AND BULK DENSITY OF SEDIMENTARY ROCKS By G. EDWARD MANGER ...

USGS Woodland and Rock Garden Walks

 · Conestoga Limestone: Sequence of limestone and dolomitebeds, 475–500 million years old, with recumbent isoclinal folds. Cockeysville Marble: Originally limestone, dolomite, and shale,metamorphosed by heat and pressure of mountain-building inthe Maryland Piedmont more than 500 million years ago.

USGS Professional Paper 1151-H: The Geology of Kentucky: Devonian …

The Boyle Dolomite in Kentucky has also been called the "Corniferous" Limestone, the Onondaga Limestone, and the Hamilton Limestone. The New Albany Shale is an organic-rich black shale that contains thin beds of greenish-gray shale in two zones, one near the top and the other near the base.


 · Dissolution of the limestone or dolomite is most intensive where the water first contacts the rock surface. Aggressive dissolution also occurs where flow is focused in preexisting openings in the rock, such as along joints, fractures, and bedding planes, and in the zone of water-table fluctuation where groundwater is in contact with the atmosphere .

Cambrian limestone and dolomite (WACAls;0)

Mostly massive dolomite, with a basal unit of gray to dark-gray limestone interbedded with limy shale, and an upper unit of fine-grained massive limestone with some marble; Pend Oreille and northern and central Stevens Counties. Three-fold division less evident in Colville area.

Availability of water from limestone and dolomite aquifers in southwest Ohio and the relation of water quality to the regional flow system

USGS Numbered Series Title Availability of water from limestone and dolomite aquifers in southwest Ohio and the relation of water quality to the regional flow system Series title Water-Resources Investigations Report Series number 73-17 DOI 10.3133/wri7317 ...


LIMESTONE AND DOLOMITE, BIRMINGHAM DISTRICT, ALABAMA. 249 In this quarry nearly the full face of the outcrop on the valley wall is quarried, the stone being used for flux. The beds dip into the hill at an angle of 15 . The limestone has been

The Federal Geographic Data Committee Image courtesy of USGS.

shaly limestone (1st option) (2nd option) limy dolostone, or dolomite dolostone or or dolomite limy dolomite dolomite *For more information, see general guidelines on pages A-i to A-v.


CINCINNATI ARCH PROVINCE (066) by Robert T. Ryder With a section on the Devonian Black Shale Gas Play (6604) by R.T. Ryder and J.R. Hatch INTRODUCTION The Cincinnati Arch Province (066) consists of broad, basement-involved arches, domes, and

Fill Patterns

Dolomitic limestone Thatch Basalt 4 Dolomite USGS Water Greenschist Crossbedded dolomite Andesite 1 Greenschist 2 Oolitic dolomite Andesite 2 Diorite Sandy dolomite Andesite 3 Granodiorite Silty dolomite Basalt 1 ...

Limestone—A Crucial and Versatile Industrial Mineral Commodity

Magnesium in ground water may convert some or all of the cal- cite in the limestone to dolomite. Also, some rocks formed near the shores of ancient seas in arid climates were mostly dolomite at the time they were deposited. Limestone comes in many different varieties.

What is Dolomitic Limestone? (with pictures)

Dolomitic limestone is a type of rock that includes up to 50% dolomite. Normal limestone is primarily made up of calcite and aragonite, but dolomite forms in the stone when the calcium ions in the calcite part are replaced by magnesium ions — this process is called dolomitization. This type of rock was once referred to as magnesian limestone ...


Cherty limestone (2nd option) 641 Dolomitic limestone, limy dolostone, or limy dolomite 642 Dolostone or dolomite 643 Crossbedded dolostone or dolomite 644 Oolitic dolostone or dolomite A–37–2 37.1—Sedimentary-rock lithologic patterns (continued) ...

Flynn Creek 1977 Core 1 Box 110 | USGS Astrogeology Science …

Flynn Creek 1977 Core 1 Box 110 [1068-1084''] Limestone, very fine grained, several interbedded shaley limestone zones, all faintly green, limestone have distinct irregular small blebs of white Calcite, has fairly distinct pale preen cast grades rather quickly to below