 | | Journal (article/letter/editorial) | | Postcard view of the Waukon iron mine, Allamakee County, cia. 1912. John Taylor collection. ARTHUR E ...HAROLD L. PRlOR P.O. Box 111 Columbus Junction, Iowa 52738 halprior@ louisacomm.net When we began this...too, could be cited with many other localities. Iowa contains the type locality for one mineral, iowaite...December 2014 Figure 2. Map of Iowa showing the counties. Courtesy Iowa Geological Survey. ACKNOWLEDGMENTS...is courtesy of the Iowa Geological Survey. Localities by County Allamakee County Lansing, Lansing lead |  | | Journal (article/letter/editorial) | | KEOKUK GEODE AREA OF IOWA AND MISSOURI By MURRAY KANE Route 2, Murray, Iowa I hope readers of R&M would...like some up-to-date information on the Keokuk geode area of Iowa and Missouri which I have recently visited...didn't visit the Illinois side. I'll describe the Iowa area first. We found geodes up the Skunk River as...west as Oakland Mills. At Denmark (in northern Lee County) I asked a filling station attendant if he knew...chalcopyrite. The geodes were mostly calcite with some galena and gypsum. They are so flat that it is hard to |  | | Report (issue) | | I s { IOWA ft 7 ■■• A * i . ;» \ P* A 7-. ■ «*"V ' r * < •+ ' 1 ’ T, / • k’-/ 5...i S' s I . " * • * «r- ‘ ; ' Geologist, Iowa Geological Survey ' .*4** =»*' I Paul*J. Horick...Jithill * v'v* l* Iowa Geolo^ica^Survey Educational Series 2 V . - -■' ( J Iowa Geological Survey...Educational Series 2 THE MINERALS OF IOWA by Paul J. Horick Geologist Iowa Geological Survey edited by Otto...STATE OF IOWA 1974 Library of Congress Catalog Card Number: 74-620075 Available from the Iowa Geological |  | | Journal (article/letter/editorial) | | Figure 1. The state of Iowa map; prepared by William Besse. IOW AITE Sioux County, Iowa BRUCE CAIRNCROSS ...1,000–1,500 feet below the surface in Sioux County, Iowa (Kohls and Rodda 1967); approximately thirty-five...of Johannesburg. Volume 93, May/June 2018 271 Iowa has 74 valid species (Mindat.org; accessed March...geodes from the Keokuk area in Lee County (Wherry 1918; Smith 1997; Huizing 2017). The Keokuk geode is also...also the official state rock for Iowa. Pint’s quarry in Black Hawk County has produced collectible, attractive |  | | Book | | eOQ000wolf 560.172 W855£ WOLF FV FOSSILS OF IOWA : FIELD TO PALEOZOIC DEPOSITS GUIDE 12.45 BK 560...560.172 PeUIDE TO PALEOZOIC DEPOSITS FOSSILS OF IOWA: FELD WOLF, ROBE 3000 ‘St. Louis Community College...collector specializing in Paleozoic fossils from Iowa and parts of Minnesota and Nebraska, including invertebrates...Society of Iowa. © 1983 Robert Charles Wolf. All rights reserved Composed and printed by The Iowa State University...University Press, Ames, Iowa 50010 No part of this book may be reproduced in any form—by photostat |  | | Journal (article/letter/editorial) | | 00:11 06 November 2014 Eagle Mine, Cilman, Eagle County, Colorado W orld production of zinc is enormous...and wurtzite. Pseudomorphs of sphalerite after galena, tetrahedrite, barite, and calcite have been found;...crystals to 2 cm associated with blue fluorite, galena, and water-clear gypsum have been found in recent...of the BalmatEdwards district in Saint Lawrence County (Smith and Figure 1. A fine example of jet-black...in the zinc ores of the Franklin mines, Sussex County, New Jersey (Palache, 1937).Although approximately |  | | Journal (article/letter/editorial) | | Sphalerite and calcite, 5 cm across, Denton mine, Hardin County. Ross Lillie specimen. +!.+!+%% 34!2+ +./8 ...chalcopyrite, and sphalerite, 12.7 cm high, Hardin County. Marv Rausch specimen. 3(%,"9 -!#/50). /5 ....and barite, 6 cm high, Minerva No. 1 mine, Hardin County. Ross Lillie specimen. Figure 5 (above right).... Barite, 12.9 cm across, Denton mine, Hardin County. Ross Lillie specimen. Figure 6 (right). Fluorite...Fluorite, 1.9 cm on edge, Minerva No. 1 mine, Hardin County. Harris Precht specimen, Terry Huizing photo. Arthur |  | | Journal (issue) | | MINERALS How to Become A LAPIDARIST WHAT ARE KEOKUK GEODES? Discover their Hidden Treasures ROCK&GEM... 2 VOL. 52 NO. 05 • MAY 2022 14 WHAT IS A KEOKUK GEODE? 52 THE ROLE OF ROCKS AND MINERALS IN PLANT...ON THE COVER Large pink calcite crystals in this Keokuk geode are highly desired by collectors. Photo by...editor, I met Richard Gross and featured one of his Keokuk geodes in our Parting Shot. He and I reminisced...Keokuks would be just the ticket. I’ve never been to Keokuk for the formal festival that Richard describes |  | | Journal (article/letter/editorial) | | still great without them. ROLLIN D. SALISBURY. Iowa Geological Survey. Vol. I. First Annual Report,...paper by Mr. Keyes, on the Geological Formations of Iowa, is a summary of present knowledge of the various...and the Cretaceous. Investigations in northwestern Iowa have brought to light the presence of undoubted...with sandstone and gravel, in a deep well at Hull, Iowa. The discovery by Culver and Hobbs of eruptive rock...given to the terranes includmany subdivisions. Keokuk and Burlington, in place of William's term the |  | | Book (volume) | | JO DAVIESS COUNTY. By James Shaw Pages 25-56 CHAPTER UI. GEOLOGY OF STEPHENSON COUNTY. By James Shaw...GEOLOGY OF CARROLL COUNTY. Ey James Shaw Pages 75-81 CHAPTER V. GEOLOGY OF WINNEBAGO COUNTY. By James Shaw...Shaw Pages 82-94 CHAPTER VI. GEOLOGY OF BOONE COUNTY. By James Shaw Pages 95-103 TABLE OF CONTENTS...GEOLOGY OF OGLE COUNTY. Pages 104-123 By James Shaw CHAPTER VIII. GEOLOGY OF LEE COUNTY. By James Shaw...OF WHITESIDE COUNTY. By James Shaw Pages 140-166 CHAPTER X. GEOLOGY OF BUREAU COUNTY. By James Shaw |  | | Journal (article/letter/editorial) | | location a~ included at the end of each entry. Adair County Chariton River (40-04-05N 92-4 I -23W). septarian...septarian concretions about 2 miles north of the Macon county line. CALCITE crystals enclosing bundles of acicular...hematite, quartz (Broadhead 1873b, 1877). Audrain County Mexico, in fire clay pits and spoil piles: PYRITE...University Library] at 19:58 29 October 2014 Barton County McKarrow’s coal bank (37-37N 94-28W), 2.5 miles...PICKERINGITE, pyrite, siderite (Broadhead 1873b). Bates County Panther Creek, northwest of Rockville in coal deposits: |  | | Journal (issue) | | have handled a few consignments from the famous Iowa and Illinois localities, which have given me an...Journal of Science, 1878, Samuel J. Wallace, of Keokuk, Iowa, in quite an article, advances a theory as to...also refer. In examining the Geological Surveys of Iowa, Illinois, and Indiana, I find mention made of geodes...in using them to further the end. The states of Iowa, Illinois, Indiana and Missouri furnish us with...and as far as I have been able to discover the Keokuk bed is the only geological for mation in which |  | | Journal (article/letter/editorial) | | January 2015 from the Warsaw Formation of Missouri, Iowa, and Illinois ARTHUR E. SMITH 9118 Concho Street...limestones of the lower Warsaw Formation where Missouri, Iowa, and Illinois adjoin each other along the Mississippi...420 ROCKS & MINERALS Van Buren ' I It Clark County LewisCounty MISSOURI b f $ x X x xx L.& -...-.L .-.- 1s x ILLINOIS -H?n!!!k-c!u!!? Adams County Figure 2. Geode locations in the Tri-State geode... and barite seemed most abundant in the Keokuk area of Iowa. However, with more collecting experience |  | | Report (issue) | | with the IOWA DEPARTMENT OF NATURAL RESOURCES, IOWA GEOLOGICAL SURVEY; and the UNIVERSITY OF IOWA HYGIENIC...Water Used for Selected Municipal Water Supplies in Iowa, 1997–2002 Water Years Open-File Report 2004–1048...Supplies in Iowa, 1997–2002 Water Years By Gregory R. Littin Prepared in cooperation with the Iowa Department...Department of Natural Resources, Iowa Geological Survey, and the University of Iowa Hygienic Laboratory Open-File...water used for selected municipal water supplies in Iowa, 1997–2002 water years: U.S. Geological Survey Open-File |  | | Journal (article/letter/editorial) | | of the Keokuk area of Iowa. Rocks and Minerals 15:45-47. The geodes described from the Keokuk and Warsaw...sippi River in Keokuk, Iowa, and Hamilton, Illinois. Lo calities are described from Iowa, Illinois, and...x -12-inch specimen of fluorite on quartz with galena and sphalerite from near Cave in Rock, Illinois...T . 1967. Discovery of pyrite clams in Pe oria County, Illinois. Rocks and Minerals 42:169-172. Pyritized...Photos. Mauntel, H . W . 1942. The lead mines of Galena, Illinois. Rocks and Minerals 17:382-383. A brief |  | | Journal (article/letter/editorial) | | the best known locality is in the region about Keokuk, Iowa; and almost every museum and large collection...of this region are found at cenain levels in the Keokuk limestone of the Mississippian series, that is...Mississippi River and its tributaries near Keokuk and at many places in Iowa, Illinois, Missouri and Indiana. The...often afford excellent places for collecting. The Keokuk limestone occurs typically in thick horizontal...been found in these geodes are calcite, aragonite, galena, sphalerite, gypsum, barite, ankerite, magnetite |  | | Journal (article/letter/editorial) | | Madison County. The area had two periods of mining activity: the first was for argeittiferous galena and...for hiibnerite ($or tungsten). Minerals reported: galena, hiibnerite, pyrite, sphalerite, arsenopyrite,...This mine, which was located in southern Morgan County, was an open-pit barite mine. It was active between...1943. Species reported: barite (clear crystals), galena, and chalcopyrite. (Map.) . 1946. The Alice zinc...(later zinc suljide) open-pit mine located in Ozark County. Species reported: sphalerite, pyrite, quartz, |  | | Journal (article/letter/editorial) | | as containing, in Amador county and in the north portion of Calaveras county, the quartz veins of the...goldquartz veins. In the southern part of Calaveras county, at Angel's Camp, the Mother Lode lies to the east...Virginia and the southwestern corner of Charles county, Maryland. It includes, in Virginia, King George...Virginia. and of several Staunton lies near portions county adjacent counties. the center of the eastern margin...found in small amounts in the Marysville Buttes. Iowa Geological Survey. Vol. IV., Third Annual Report |  | | Journal (article/letter/editorial) | | symbol to promote outstanding aspects of their county or state. Many of these Earth science symbols will...from the Crater of Diamonds, Murfreesboro, Pike County, Arkansas; largest diamond 4.95 carats. Matilda...company, Hardin County, Illinois; 9.6 cm tall. Ross Lillie specimen, Jeff Scovil photo. IOWA State Rock:...Figure 4. A Keokuk quartz geode with sphalerite, from the Warsaw Formation, Keokuk, Iowa; 15 × 13-cm...such as this one from Middle Fork Creek, Estill County, Kentucky; 19.3 cm tall. Barbara and Gary Hansen |  | | Journal (article/letter/editorial) | | presentform, but others are mineral occurrencesof galena, sphalerite,wurtzite, o[ syngeneticor diageneticorigin...mineralcompositionis simple and the ore mineralsrelatively few. Galena,sphalerite,barite, or fluorite are most commonlythe...coarsegrainsof sphalbarite,pyrite, wurtzite,and galena this same easternpart of the central United States...1964); (b) on the fringesof Where galena is present in the shales, the galena the Upper MississippiValley district...perhapsby a mixtureof both solutions. geodesat Keokuk, Iowa, an Findlay arch in northwesternOhio; (e) along |  | | Book (edition) | | NORTH DAKOTA • OHIO • MICHIGAN • NEBRASKA • IOWA WISCONSIN Digitized by the Internet Archive in... includes SOUTH DAKOTA • MICHIGAN • ILLINOIS • IOWA WISCONSIN • OHIO • KANSAS • NORTH DAKOTA NEBRASKA...46 Michigan 50 Missouri 53 j- Kansas 5Q Iowa 60 - Illinois Minerals of Illinois 69 72... June Zeitner holds a fine Targe agate from the Iowa gravel deposits. ally — sented here. many who...anothoclase, microcline, oligoclase, fluorite, galena, garnets (alman- dite, grossidarite, spesarite) |  | | Journal (article/letter/editorial) | | SSISSIPPIAN E H MIIncl udes Devonian in Hardin County DEVONIAN Includes Silurian in Douglas, Champaign...United States it is unique to Illinois, parts of Iowa and Missouri, and the eastern bluffs of the Mississippi...zinc-lead district of Illinois, Wiscon sin, and Iowa. Thousands of fossil-rich siderite nodules in the...and Warsaw in Brown County in west-central Illinois, sister cities to Keokuk, Iowa, on the opposite side...average of 1,050 feet for Wisconsin, 1,100 feet for Iowa, 800 feet for Missouri, and 700 feet for Indi ana |  | | Book (volume) | | Dahlonega Co. and Rabum Co., and the McDuffie County Belt extending through portions of McDuffie, Warren...such as Chalcopyrite, Galena, Pyrite, Pyrrhotite and some Sphalerite. BALDWIN COUNTY MILLEDGEVILLE, at state...state farmjasper. BANKS COUNTY COMMERCE, along Hwy. 59, 5 mi. E of Jackson-Banks Co. lineBeryl. MAYSVILLE...along adjoining Co. linerock crystal. BARROW COUNTY WINDER, along rd. to Jefferson and 1½ mi. inside...Guide for Rock Hounds in the United States BARTOW COUNTY AREA, Saltpeter Cave, as floatjasper. CARTERSVILLE: |  | | Journal (issue) | | -high specimen is from the DeMaria mine in Placer County, California. (Jeff Scovil Photo/Brett Keller collection)...collector mineral advice from expert mike Bowers Keokuk Snowball Geodes............................ 44...Wholesale and retail show; Gem Faire Inc.; Lane County Events Center; 796 W. 13th Ave.; Fri. 12-6, Sat...4-6—FARMINGTON, NEW MEXICO: Annual show; San Juan County Gem & Mineral Society; Civic Center; 200 W. Arrington;...ONTARIO, CANADA: 3rd Annual Show; Prince Edward County Rock, Gem & Mineral Club; Crystal Palace; Picton |  | | Report (issue) | | IN SOUTHEASTERN IOWA Open-File Report 79-415 Prepared in cooperation with the Iowa Geological Survey...Survey U.S. GEOLOGfCAL SURVEY P.O. BOX 1230 IOWA CITY, IA 52244 f f '• i't " : UNITED STATES DEPARTMENT...SOUTHEASTERN IOWA By Daniel J. Gockel Open-File Report 79-415 Prepared in cooperation with the Iowa Geological...Geological Survey Iowa City, Iowa January 1979 k. •♦ .'.••••••,- *$• TABLE OF CONTENTS Page Abstract...Moines 12 17 22 23 Henry 29 Iowa 37 Jasper Jefferson Johnson Keokuk Lee Louisa Mahaska Marion Monroe |
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