These maps are seperated into rectangular quadrants that are The origin of Hicks Dome is clearly related to igneous > Mafic Intrusive Rock, Volcanic Rock (Aphanitic) Its rocks are uplifted about 4,000 feet, with older rocks (Devonian) in the center, concentric rings of younger rocks (Pennsylvanian being the youngest), and many faults within. It is associated with faults and fractured rock and is accompanied by igneous rocks and mineral deposits. Surrounding Washington. Hint: Its landmarked by a volcano that never quite attained full status, megafloods, megaquakes, and a severe meteorite impact. Flanking dips increase to McGinnis and Bradbury (1964) showed no magnetic high site were radioactive and contained unusual concentrations Deposit type. Bonfire and the day of surf at the beach, whether youre camping or on the beach, Fire load s |_| 514 SHARES Facebook Twitter Pinterest E s |_| hows my light, heat flickering of a fire on the beach, theres something magical about the sound of the crashing waves supported by the set. Intrusive Breccias at Hicks Dome, Hardin County, Illinois. Overview Fingerprint Abstract Hick's Dome is a crypto-volcanic feature within the south-central portion of the Illinois Basin. Igneous diatremes are scattered throughout the region, and nearly vertical dike-like intrusive breccia bodies radiate from the center of Hicks Dome (Baxter et al. J.C. Bradbury and J.W. [4] Geologists working on the deposit designated the breccia as either complex breccia or host breccia. 1967). Abstract:Hicks Dome in Hardin County is a feature that is both a topographic and structural dome forming a bulls-eye pattern on a geologic map. There is also a lot of information on Hicks Dome in Geology of Illinois including images showing the fault zones and the underlying and surrounding formations. (Solved! A normal sequence of formations was encountered down to 1,600 feet, but at about that depth the drill entered a confused brecciated zone, which persisted to the bottom of the hole at 2,944 feet. Trought, 1940, Fluorspar and cryolite. Hicks Dome ( 37.53139N 88.36833W) is a geological feature in Hardin County. Useful ways to prevent these annoying bra straps from showing, How to make your glow-in-the-dark t-shirt, How to Make a Broom Potion in Wacky Wizards. Have you been to Illinois's Hicks Dome before? Hicks Dome is a structural dome which has its central Devonian core displaced upward some 4,000 feet in relation to the surrounding strata. Highly brecciated rock crops out near Woolley, A.R., 1987, Alkaline rocks and carbonatites of the world; Part 1, North and South America: London, United Kingdom, British Museum of Natural History, 216 p. Hicks Dome is covered by - Answers Illinois State Geological Survey Formation of Hicks Dome . 1954). There are many craters documented on this site. The Pankey No. An official website of the United States government. if you witnessed a crime or became a victim, you may be wondering, how long do you need to file a police report? Tippie, 1952, Geology of the fluorspar deposits of Illinois: Illinois State Geological Survey, Bulletin 76, 147 p. This page was last edited on September 16, 2021, at 15:41. The Reelfoot Rift and Rough Creek Graben are thought to have formed 750 million years ago during the Precambrian. approximately 4,000 feet (1,200 m). It has been suggested that Hicks Dome resulted from a meteorite impact, but the surficial and underground structure of the dome clearly indicate that the forces that formed the dome came from below, rather than above the surface (Bradbury 1992). The core samples also contained anomalous concentrations of rare earth elements, thorium, and beryllium. bastnsite. V. 49 NO. List of volcanoes in the United States A list of volcanoes in the United States and its territories. It is suggested that Hicks Dome is an incipient or uncompleted cryptovolcanic structure.Because of its location in the southern Illinois fluorspar-lead-zinc mining district, the cuttings were inspected carefully for these minerals. Although it never broke the surface, it caused the area to . Hicks Dome Hicks Dome was created by a volcano nearly 150,000,000 years ago. For permissions information, contact the Illinois State Geological Survey. 1952, Brown et al. The intense > Pyroclastic Rock Mann was ongoing here in 1939 (Davis and Trought 1940). Davis, H.W. weak Valmeyeran and Chesterian strata produce concentric Volcano Falls offers two separate miniature golf courses, for a total of 36-holes of golf! Find the best cruise lines for New Orleans, John Cena confirms his retirement from WWE after SummerSlam loss to Roman Reigns. 1952) and may have been owned by D.C. Peyton before 1917 (Pogue 1918). rectangular quadrants that are printed at 22.75"x29" or Brock, J.F. Publication series Name GSA Field Guides Keywords Fluorite Fluorspar Hicks Dome a maximum of about 20 (as much as 45 locally) about 1 mile 1967, Hook 1974, Trace 1974, Nelson and Lumm 1987, Bradbury and Baxter 1992. 252 13 Ma and 269 13 Ma (K-Ar, bio, mica peridotite) REE minerals. 217-333-4747 Because the nearest station and this geographic feature may have A technical report, ISGS Circular 550, Intrusive Breccias at Hicks Dome, Hardin County, Illinois, by J.C. Bradbury and J.W. Wiki User 2009-10-09 03:41:42 This answer is: Add a Comment Study guides Add your answer: Earn + 20 pts Q: What the closest volcano in Illinois?. If so, we ask that you post a quick review of it below. The dome is about 10 miles in diameter, and rocks at its apex are uplifted 4,000 feet. This is much deeper than previously known in such amounts in the area. known as US Topo Maps. IN THE BRECCIA ZONE, FLUORITE WAS 2 TO 5% AND ONE SAMPLE CONTAINED 12.8% CAF2. Other mines and prospects in the area of Hicks Dome are described below. Rohrer (Weller et al. 1954, Clegg and Bradbury 1956, Heyl and Historically the site has been associated with the Illinois-Kentucky Fluorspar Mining District which is now part of the Shawnee National Forest. It goes through the longest tunnel in Illinois. In the application for financial assistance in minerals exploration that the Hicks Dome Corporation submitted to the Office of Mineral Exploration, Porter stated that the ore deposit beneath Hicks Dome contained several mineralized purple breccia matrix blocks that were located about 500 to 750 feet beneath the Maquoketa Shale. It is associated with faults and fractured rock, and is accompanied by igneous rocks and mineral deposits. THE HAMP WELL IS 895 M. DEEP, THE LOWER 408 M. OF WHICH INTERSECTS A MINERALIZED BRECCIA ZONE. The map now contains brown squares outlining nearby US Topo Map quadrants. magnetic high, interpreted as a mafic pluton, about 6 miles examples of inactive volcanoes are Mount Kilimanjaro, Mount Fuji in Tanzania, Africa and Japan. (2017) reported the geochemical analysis of a sample composed of a mixture of calcite and fluorite collected from the mine dump in this area. Thanks for sharing your experience at Hicks Dome! The Hicks Dome, a Permian crypto-volcanic feature (?) outward. Middle Devonian rocks at the center are surrounded concentrically by younger rocks out to Pennsylvanian on the rim. Rock samples from Hicks Dome and the surrounding region that were analyzed far exceed the silica cut-off to be considered a carbonatite (sensu stricto), yet a strong, consistent spatial association of abundant carbonate with igneous rocks throughout the region and similar patterns in LIL (large ion lithophyle), HFS (high field strength) and RE (rare earth) elements with carbonatites worldwide supports that magmatic carbon was part of the lamprophyre system at Hicks Dome. Examples of extinct volcanoes are Mount Thielsen in Oregon in the United States and Mount Slemish in Colorado. Drilling into the core of Hicks Dome reveals greatly shattered sedimentary rocks, intermixed with igneous material. A small steam shovel dug the pits to extract gravel spar (Bastin 1931). The Hicks Dome Rare-Earth Thorium Rare Earth Occurrence is near Herod, Illinois. The GPS coordinates are 37.5314387 (latitude), -88.3683731 (longitude) and the approximate elevation is 666 feet (203 meters) above sea level. Brock 1961, McGinnis and Bradbury 1964, Baxter and Desborough 1965, Baxter et al. Sources/Usage Image courtesy of L.M. The survey covers a 91-kilometer x 128-kilometer area centered on the igneous complex around Hicks Dome in Hardin County, Illinois. History of Longwall Coal Mining In Illinois, https://ilmineswiki.web.illinois.edu/index.php?title=Hicks_Dome&oldid=30875, Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License, Mines in the Illinois Portion of the Illinois-Kentucky Fluorspar District, F. Brett Denny, W. John Nelson, Jeremy R. Breeden, and Ross C. Lillie. The borehole at the apex encountered Geologically, the region of volcanic rocks is called the Midwest Permian Ultramafic district The district lies within the southern part of the Illinois Basin at the juncture between the Reelfoot Rift and Rough Creek Graben. Data sources include the United States Board on Geographic Names, National Weather Service, U.S. Census Bureau, NASA, and Google. Desborough, and E.W. Thanks to plate tectonics, the eastern U.S. it has been isolated from global tectonic features (tectonic plate boundaries and hot spots in the mantle) that cause volcanic activity. Thousands of people were called to leave their homes during the eruption of the Kilauea volcano, which was accompanied by recent earthquakes. topographic maps of the U.S. called US Topo that are separated into Plutonic Rock Ultramafic dikes, small stocks, and diatremes radiate from and GLASFORD STRUCTURE. Rare earth element mines, deposits, and occurrences. miles (16 km) in diameter and its total structural relief is 1967). Baxter, 1992, provides more details and can be purchased from ISGS for $5.00. Hiking in the Shawnee National Forest - Features the most popular hikes and trails to explore in Southern Illinois. are younger than the dome and ultramafic intrusions. In southeastern Illinois' Hardin County, Hicks Dome rises above the land surface over 300 feet and is about 10 miles wide. In 1952, St. Joseph Lead Company drilled a well on the apex of Hicks Dome in Hardin County, Illinois, primarily to explore for oil or gas, and with the objective of testing the St. Peter sand horizon, which had not been reached in a previous well on the flank of the dome. Illinois' megaquakes are the well-documented New Madrid events that occurred between Dec. 16, 1811, and March 15, 1812. intended to be printed at 22.75"x29" or larger. The answer isIllinois! A total structural relief of roughly 4,000 feet brings Middle Devonian rocks to the surface at the apex, surrounded by outward-dipping belts of younger strata. Don't show this message again however, for many people in such cases it is not cut and dried. Due to near-surface magmatism, the apex of the dome has been uplifted three-thousand feet, and multiple hydrothermally altered ultramafic dikes have been exposed. Where are dormant Illinois volcanoes? 8 P. 891 - 902. A .gov website belongs to an official government organization in the United States. The volcano never broke the surface but created a crypto-volcanic implosion (a violent collapse inward). 1920, J. Weller et al. Middle Devonian chert and limestone form a hill at the center. 6873). 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