 | | 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 |  | | 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) | | 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 (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 (article/letter/editorial) | | Figure 2. Keokuk geode (7 inches in longest dimension) from Mississippian strata in southeastern Iowa. The...(This photograph,used as the cover illustration on Iowa Geology [1994], was supplied by B. F. Glenister...courtesy Patricia Lohmann, the artist who designs the Iowa Geological Survey bulletins; photograph by Tim Kemmis)...Minerals recorded from geodes of the three-state Keokuk area. Minerals whose names have no symbol after...were collected by the author and his wife in Lee County, Iowa, in 1947, plus observations of definitive |  | | Book (volume) | | Dahlonega Co. and Rabum Co., and the McDuffie County Belt extending through portions of McDuffie, Warren...Sphalerite. BALDWIN COUNTY MILLEDGEVILLE, at state farmjasper. BANKS COUNTY COMMERCE, along Hwy. 59...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:...agate, (banded, various colors), jasper. BIBB COUNTY MACON: at Holton Quarry, 7½ mi. NWagate; N |  | | Journal (article/letter/editorial) | | MINERALIZATION OF A LOCALITY IN NORTH CENTRAL MONROE COUNTY, INDIANA with reference to other Indiana localities...r arf found in Devonian limestones in Jennings County. These may reach four centimeters on an edge. Masses...Oxidation of sphalerite in this area has produced smithsonite and sulfur. ROCKS AND MINERALS Crystals from...in the Devonian limestones to the east of Monroe county and in northwestern Indiana produce some of the...calcites from Jennings county (see Sinkankas p. 362, fig. 177). From Shelby county comes pink calcite showing |  | | 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...pyrite to limonite or through a similar process smithsonite may have partially replaced the sphalerite. If |  | | Journal (article/letter/editorial) | | 00:11 06 November 2014 Eagle Mine, Cilman, Eagle County, Colorado W orld production of zinc is enormous...and calcite have been found; hemimorphite and smithsonite pseudomorphs after sphalerite are reported. Sphalerite...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...Morgantown (twins to 2 cm) in Berks County; the Thomasville quarry, York County (bright green crystals to 4 cm); |  | | Journal (article/letter/editorial) | | 224, Field trips to private locations in the Keokuk, Iowa area are being conducted exclusively for Midwest...with respect to the geology and geohistory of the Keokuk area, ( 2 ) and to collect in a single weekend..."The Fabulous Keokuk Geodes." Having collected geodes for nearly twenty years in the Keokuk area. Sinotte...in which both capillary and cubic pyrite af Keokuk, Iowa. 579 habits have combined in a single crystal...that the rarest and perhaps most beautiful of all Keokuk geodes is found: the true crystalline blue chalcedony-lined |  | | Journal (article/letter/editorial) | | MINERALIZATION OF A LOCALITY IN NORTH CENTRAL MONROE COUNTY, INDIANA with reference to other Indiana localities...the (north) city limits of Bloomington, Monroe county, Indiana, on state highway 37. Here are found roadcuts...(impunctate shell) superfamily Davidsoniacea, Orthotetes Keokuk (Hall) superfamily Enteletacea Schizophoria sp...(to breadth of 55 mm.!) Brachythyris sp. Spirijer keokuk (Hall) Spirijer sp. Syringothyris texta (Hall)...horizon, is strongly related to that of the Keokuk Formation in Iowa, Illinois and Missouri, and possibly shows |  | | Book (volume) | | 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...E, regional deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip...mine⎯pyritized gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason |  | | Book (volume) | | 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...E, regional deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip...mine⎯pyritized gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason |  | | Journal (issue) | | minerals including calcite, siderite, magnesite, smithsonite, and others. Don’t confuse it with rhodonite...Denver Museum of Nature and Science.” Wikipedia Keokuk Field Trip This Weekend April 20-21 Field trip...leading a two day field trip to Keokuk Iowa to search for the famous Keokuk geodes. A couple carloads will...driving to and collecting at two different sites in Iowa. Then dinner somewhere, and a hotel room for the...polished slab of blue lace agate. Calendar Apr 20-21 Keokuk IA field trip Apr 20 Curry Auction – Belvidere |  | | Journal (issue) | | occurring at the Ecton copper mine, Montgomery County, Pennsylvania, you have opened a Pandora's box...verification), quartz and chalcedony (Gordon), smithsonite (Rose), sphalerite (Gordon), sulfur (Rose), susannite...mimetite, chrysocolla, hemimorphite, rosasite and smithsonite, in particular, have distinguished the 79 mine...Mining district in the southwest corner of Gila County, Arizona (T. 4 S., R. 15 E.). A good map of the...bears an astonishing resemblance to some of the smithsonite from Kelly, New Mexico. 79 wulfenite is often | | | Journal (issue) | | occurring at the Ecton copper mine, Montgomery County, Pennsylvania, you have opened a Pandora’s box...verifi cation), quartz and chalcedony (Gordon), smithsonite (Rose), sphalerite (Gordon), sulfur (Rose), susannite...mimetite, chrysocolla, hemimorphite, rosasite and smithsonite, in particular, have distinguished the 79 mine...Mining district in the southwest corner of Gila County, Arizona (T. 4 S., R. 15 E.). A good map of the...those from Mapimi. Crystallized examples of smithsonite are of surprisingly high quality; of special |  | | Journal (article/letter/editorial) | | confirmation of my guess as to the rock I found in Marion County, Florida. "I say it's jasper, flint and agate....From Idaho wilderness area near Stanley in Blaine County, Idaho. Some of these come in very large xls."...that were found in the Warsaw formation, Hancock County, Illinois. These were found in geodes embedded... ankerite, smoky quartz, barite, aragonite, smithsonite, hematite, selenite, and sphalerite. We have...location to collecting." IOWA — From an old quarry north of Keokuk (Lee Co.), Iowa, we have 2 rough and one |  | | Journal (article/letter/editorial) | | occurs as a dense, eggshell-like veneer over the County (in Eastern California), is 12 porous and fragile...phosphate in the diatomaceous sediments containing County, is in southern Connecticut. these specimens. ILLINOIS—"Enclosed...in R&M"—writes Bill Frier, 816 Carroll St., Keokuk, Iowa. Mr. Frier, your geodes are very, very nice...Quarry always be happy ones. Hamilton, in W. Hancock County, is in western Illinois. KANSAS—From Mrs. Mary...Wellsville, Kans."—on label. Wellsville, in N/E Franklin County, is in eastern Kansas. MONTANA—"I want to tell |  | | Journal (article/letter/editorial) | | road cut along old IN-37, near Harrodsburg, Monroe County, Indiana. Note the semispherical opening, lower...Kentucky, and the Warsaw Formation in Illinois, Iowa, and Missouri. Geodes occur primarily in limestones...commercial geode mine at St. Francisville, Clark County, Missouri. This specimen appeared on the dust jacket...quartz geode, from a locality near Revere, Clark County, Missouri. Cincinnati Museum Center specimen (No...from Sheffler’s geode mine, near Alexandria, Clark County, Missouri. Fred and Sue Keitel specimen, Terry |  | | 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) | | azurite, malachite, aurichalcite, and smithsonite. The smithsonite at Silver Hill occurs in rhombs, only...816 Carroll Ave., Keokuk, Iowa. When the parcel arrived I was sure it was a fine Iowa geode but I really |  | | Journal (issue) | | Erie Railroad station at Great Notch, 1n Passaic County. Fifty to sixty feet in depth at the steepest...quartz lens was discovered near Rice, Prince Edward County. Though small, some of the crystals were very fine...Brookneal in Campbell County and from localities west and south of Charlotte in Charlotte County. Dr. T. L. Watson...describes the occurrence of amethyst in Nelson County as follows: "Some of the veins contain quartz crystals...Haven, Conn. The guest speaker will be 0 . Ivan Lee who will give an illustrated talk on mineral col- |  | | Journal (article/letter/editorial) | | SEPTEMBER_OCTOBER, 1959 NICKEL MINERALS FROM NEAR LINDEN, IOWA COUNTY, WISCONSIN* Ar,rBN V. Hnvr, Cu.qnrBs lVlrrrow...well as at other localities in Wisconsin, Illinois, Iowa, Missouri, and Indiana. Millerite is the most common...the Upper Mississippi Valley, for example:in Lee County, Iowa (Keyes, 1895);in the Chicago, I l l . , a... 6 ; Bagrowski, 1940,p. 556-559); in geodesfrom Iowa and Ill. (Van Tuyl, 1925; Keyes, 1895, p.40I-402);...(1958) by one of the authors' Milton' in Linden County, Mo. associatedwith galena,sphalerite,chalcopyrite |  | | 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... and in the Northwestern South Dakota Harding County in the northwestern corner of the state has several |  | | 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 |
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