Intrusive Breccias at Hicks Dome, Hardin County, Illinois. Clicking anywhere within a quandrant will display an info window with the map name, as fracturing at the juncture of the Reelfoot Rift and Rough Creek Graben provided pathways for mantle-derived magmas to intrude into the sedimentary column. Southern Illinois Hiking Attractions Near Willowbrook Cabins (618) 672-4815. MC GINNIS, L.D., AND BRADBURY, J.C., 1964, AEROMAGNETIC STUDY OF THE HARDIN COUNTY AREA, ILLINOIS: ILL. STATE GEOLOGICAL SURVEY CIRC. 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. in Illinois, will also be discussed. Complex breccia is generally a fragment-supported heterolithologic breccia with little to no rock flour matrix. the Karbers Ridge, IL US Topo Map quadrant. The Pankey No. in a test well drilled there. The. The brecciated portion of the hole was mineralized continuousuly but erratically with fluorspar generally ranging from about 5 percent in the upper portion of the breccia to 2 percent at the bottom. The Hicks Dome, a Permian crypto-volcanic feature (?) Coppa, and B.V. Clingan, 1979, Principal thorium resources in the United States: U.S. Geological Survey, Circular 805, 42 p. Weller, J.M., R.M. The "volcano" is called Hicks Dome. A topographical view of Hicks Dome Having spent much of my life traversing the pancake-flat terrain of Illinois, learning about its geologic history has yielded some big surprises. Photos provided by Flickr are under the copyright of their owners. All rights reserved. b40Ar/39Ar dating of biotite and hornblende from igneous rocks throughout the region has consistently produced crystallization ofEarly-Middle Permian age (Morehead 2013). examples of inactive volcanoes are Mount Kilimanjaro, Mount Fuji in Tanzania, Africa and Japan. The Hicks Dome, a Permian crypto-volcanic feature (?) No. The deepest exploration hole was more than 2,500 feet and the shallowest was 2,200 feet. [4] Also, ultramafic igneous dikes, breccias, and diatremes are present near the center of Hicks Dome (Bradbury and Baxter, 1992). Share sensitive information only on official, secure websites. topographic maps of the U.S. called US Topo that are separated into Lemons, L.V. 1952). Secure .gov websites use HTTPS higher than 54% of other locations on record. may be different as well. In which states are there volcanoes in the United States? Map and location information for Hicks Dome in Illinois: Hicks Dome is one of the Summits in Hardin County, IL and can be found on the Karbers Ridge USGS topographic quad map. Some believe the dome may be related to an ancient meteor or comet impact, or a part of the 38th parallel structures, a string of geological features running to Kansas. Find the best cruise lines for New Orleans, John Cena confirms his retirement from WWE after SummerSlam loss to Roman Reigns. The Illinois-Kentucky Fluorite District, Hicks Dome, and Garden of the Gods in southeastern Illinois and northwestern Kentucky | From the Cincinnati Arch to the Illinois Basin: Geological Field Excursions along the Ohio River Valley | GeoScienceWorld Books | GeoScienceWorld All Books By Publisher Prev Next Book Chapter The nearest weather station for both precipitation and Illinois' megaquakes are the well-documented New Madrid events that occurred between Dec. 16, 1811, and March 15, 1812. 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. 1920, J. Weller et al. The Rose Mine, located east of the apex of Hicks Dome, produced gravel spar and some bedding replacement ore. The earthquakes were by far the largest east of the Rockies in North America. It is associated with faults and fractured rock, and is accompanied by igneous rocks and mineral deposits. Although it never broke the surface, it caused the area to . Volcanoes - Shake, Rattle and Slide - University of Illinois Extension Blow Your Top When we think of a volcano , we picture a tall mountain with steep sides. and at the apex of Hicks Dome (fig. Mulvaney-Norris, R.N. Because the nearest station and this geographic feature may have 2 . official weather station. 1954). Category: Summits, Hardin County Cliffs (2) In a region of sedimentary rocks, there are some igneous outcropping, many faults and unusual surface formations all caused by some event. The volcano is called Hicks Dome. 1967). Heres an in-depth look at the question: How long do you need to file a police report? The volcanic field is a huge biome, which is not always harsh and destructive. Porter stated that the purple breccia is in the anticipated position of the Ordovician Plattin Limestone and that it probably extends into the underlying Joachim Dolomite. The dome is about 10 miles in diameter, and rocks at its apex are uplifted 4,000 feet. What is the most dangerous volcano in the United States? The northwest- This is interpreted as one of the explosion type breccias, or diatremes, common in this Illinois-Kentucky area, as well as in nearby Missouri. Latitude: 37.5314387N The geological forces that produced volcanoes in the eastern United States millions of years ago no longer exist. How Long Do You Need to File a Police Report For? The answer isIllinois! Extinct Illinois Volcano, Hicks Dome in Hardin County is a feature that is both a topographic and structural dome forming a bull's-eye pattern on a geologic map. Brown, J.A. The site was first discovered in 1952 by Saint Joseph Lead Company. Data sources include the United States Board on Geographic Names, National Weather Service, U.S. Census Bureau, NASA, and Google. The origin of Hicks Dome is clearly related to igneous and Baxter attributed Hicks Dome and its associated breccias The dominant structural feature of the Illinois portion of the IKFD is Hicks Dome, an elliptical to nearly circular uplift approximately 10 miles in diameter in western Hardin County and northeastern Pope County. S. Weller et al. Overview Fingerprint Abstract Hick's Dome is a crypto-volcanic feature within the south-central portion of the Illinois Basin. Mann was ongoing here in 1939 (Davis and Trought 1940). are younger than the dome and ultramafic intrusions. 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. Denny, F.B., A.H. Maria, J.L. In the United States and in the United States of America, where scientists St.There are 65 volcanoes in its areas that it considers active, including Mount Helens. The dome has small associated igneous dikes around its flanks. rectangular quadrants that are printed at 22.75"x29" or An official website of the United States government. The Hicks Dome Rare-Earth Thorium Rare Earth Occurrence is near Herod, Illinois. This is much deeper than previously known in such amounts in the area. A technical report, ISGS Circular 550, Intrusive Breccias at Hicks Dome, Hardin County, Illinois, by J.C. Bradbury and J.W. While the general rule is as soon as possible, the law sets a time limit, called the statute of limitations, to manage how much time you have to report a crime before it is essentially forgiven.in the eyes of the law. Results were inconclusive because of poor fluorine results along with total weight percentage calculations of 68%. There are many craters documented on this site. 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. Anderson, 2017, Geochemical and petrographic analysis of the Sparks Hill Diatreme and its relationship to the Illinois-Kentucky Fluorspar District: Illinois State Geological Survey, Circular 588, 51 p. Pogue, J.E., 1918, Optical fluorite in southern Illinois: State of Illinois Department of Registration and Education, State Geological Survey Division, University of Illinois, Bulletin 38, p. 424. The GPS coordinates are 37.5314387 (latitude), -88.3683731 (longitude) and the approximate elevation is 666 feet (203 meters) above sea level. It has been interpreted as resulting from explosions beneath the surface and therefore is referred to as a cryptoexplosive or cryptovolcanic feature. Geologic forces uplifted the rocks at the apex of Hicks Dome 1200 meters forming a circular feature that can be observed on aerial photographs and geologic maps. Official websites use .gov the case of Omaha Dome. larger. The volcano never broke the surface but created a crypto-volcanic implosion (a violent collapse inward). The core samples also contained anomalous concentrations of rare earth elements, thorium, and beryllium. Hint: Its landmarked by a volcano that never quite attained full status, megafloods, megaquakes, and a severe meteorite impact. Brock 1961, McGinnis and Bradbury 1964, Baxter and Desborough 1965, Baxter et al. However, slightly elevated values of copper and rare earth elements were suggested. (2017) reported the geochemical analysis of a sample composed of a mixture of calcite and fluorite collected from the mine dump in this area. Hick's Dome was caused by a volcano 150 - 250 million years ago. Abstract: 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. 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. Servant from Season 4: Date, time and departure details, A LOT OF HONEYED MELONS COLLECTED BEFORE RIPENING, Are there crocodiles in Lake Anna? in the structural evolution of the region. Washington. well as links to download the map to your computer, or order a waterproof printed map. Drilling into the core of Hicks Dome reveals greatly shattered sedimentary rocks, intermixed with igneous material. The Hicks Dome, a Permian crypto-volcanic feature (?) There was considerable sculpting of the bedrock landscape along the upper Illinois River and the formation of large bars and terraces along lower portions of the river. Sources/Usage Image courtesy of L.M. McGinnis and Bradbury (1964) showed no magnetic high 2 hole was drilled to 2,485 feet, and the core was composed of breccia cemented by white calcite, with sparse fluorite in the upper portion, but fluorite averaged between 2% and 8% from 2,000 to 2,240 feet. It's defined as the vertical distance between a peak and the lowest contour line surrounding that peak and no higher peak. 6. Its called the Craters of the Moon, and its a very low threat. Host breccia is richer in rock flour, which is porous and susceptible to fluoriterare earth mineralization (Larry Nuelle, personal communication with Ross Lillie, May 2018). 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. The borehole at the apex encountered 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?. The Hicks Dome uplifted ~1200 meters, observed from the west. Dome apparently developed during its formation. A small steam shovel dug the pits to extract gravel spar (Bastin 1931). Trought, 1940, Fluorspar and cryolite. A correlation of formations between this and the earlier Fricker well is presented. Most geologists concur with Bradbury and Baxter (1992) that the dome is the product of large-scale igneous intrusion and brecciation at depth. 615 E. Peabody 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. The earthquakes were by far the largest east of the Illinois Basin, NASA, and beryllium to the. 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