Graphite (plumbago). Bartow County, extensive deposits of graphitic slate for fertilizer filler mined near Emerson. Cobb County, was mined at Powder Springs. Occurs in Carroll, Cherokee, Clarke, Douglas, Elbert, Habersham, Hall, Heard, Madison, Paulding, Pickens, Rabun, and Spalding counties.

Halloysite. Chattooga County, 4 miles northeast of Gore, extensively prospected. Dade County, near Rising Fawn, was mined and shipped. Floyd County, scattered through bauxitic clay in Holland Spring bank. Fulton County, near Lakewood, Atlanta. In Catoosa, Cherokee, and Walker counties, not mined.

Hematite (red ore, fossil ore). Bartow County, in minable quantities between Emerson and Etowah rivers, also near Warford, not mined. Catoosa County, abundant as float ore in Dicks Ridge; also occurs in Taylors Ridge and White Mountain. Chattooga County, mined along base of Lookout Mountain and 3 miles east of Summerville; also on Dirtseller Mountain. Dade County, mined on Johnson Creek. Polk County, occurs north of Rockmart. Walker County, mined at West property, tenth district. Has been mined also in Floyd and Whitfield counties.

Hematite (specular iron ore). Cherokee County, occurs in Allatoona Hills, along Etowah River, extensive deposits. Also in valley of Etowah River, in Bartow, Cass, Cobb, Fannin, Floyd, Gilmer, Lumpkin, Milton, Murray, Paulding, Pickens, Towns, and Union counties.

Hyalite. See Opal.

Iron.

See Brown iron ore, Chromite, Hematite, Magnetite, Ocher, and Pyrite. Itacolumite (flexible sandstone). Hall County, Chattahoochee Ridge. Meri

wether County, near Warm Springs.

Kaolin (nonplastic and plastic). At many places throughout the Cambrian belt, which extends across the State. Developed: Bartow County, Sheet mine, 3 miles south of Adairsville. Greene County, small quantity mined 4 miles northeast of Union Point. Houston County, small mine on Yancey property, 2 miles northwest of Perry. Richmond County, in clay bed at Hephzibah, 9 miles southwest of Augusta. Twiggs County, Georgia kaolin mine, 2 miles southeast of Dry Branch, and other mines. Undeveloped Columbia County, deposits located 1 mile east of Grovetown. Glascock County, large deposit near Gibson. Hancock County, Carrs station. Jones County, Griswoldville, 11 miles east of Macon. McDuffie County, 3 miles southwest of Dearing. Paulding County, prospecting at old Turner mica mine, 5 miles north of Dallas. Pickens County, in vicinity of Jasper. Polk County, Ledbetter mine. Taylor County, Butler. See also Clay.

Lazulite. Lincoln County, Graves Mountain, not mined.

Limestone (building). Catoosa County, quarried at Graysville. Dade County, Rising Fawn. Gilmer County, Ellijay. Polk County, Rockmart. Walker County, Chickamauga and Rossville.

Limestone (crushed stone). Bartow County, quarried at Cartersville and Clifford. Catoosa County, Graysville. Walker County, Chickamauga.

Limestone (flux). Walker County, quarried at Chickamauga.

Limestone (lime). Bartow County, quarried at Cartersville. Catoosa County, Graysville. Hall County, Gainesville. Walker County, Rossville. Limonite. See Brown iron ore.

Magnetite (magnetic iron ore). Cherokee County, found in marble at Mabel station, 6 miles northeast of Canton. Carroll County, near Villa Rica, no

well-defined vein. Occurs also in Cherokee, Cobb, Dekalb, Gilmer, Greene, Gwinnett, Habersham, Hall, Lumpkin, and other counties; not mined. Malachite (green carbonate of copper). Fannin County, mines of Ducktown, Tenn., belt.

Manganese ore. Occurs with brown and manganiferous iron ores in area of Paleozoic rocks, which includes 10 northwestern counties of State. Bartow County, mined in Cartersville district. Fannin County, small deposits were mined at Blue Ridge. Floyd County, mined in Cave Springs district. Habersham County, has been mined at Mount Airy. Haralson County, small deposits in Draketown district. Hart County, mined 11 miles east of Bowersville. Murray County, occurs with iron-ore deposits 4 miles north of Cohutta Springs. Paulding County, has been mined in Draketown district. Polk County, mined in Cave Springs district. Whitfield County, mined in vicinity of Tunnel Hill. See also Braunite, Manganite, Psilomelane, Pyrolusite, Rhodochrosite, and Wad. Manganite. Bartow County, associated with psilomelane and pyrolusite in Cartersville mines; not mined.

Marble. Cherokee County, extensive exposures of dark-colored marble near Mabel station and on Longswamp Creek. Gilmer County, extensive exposures of pink and white marble; quarried at Marble Bluff. Pickens County, white, gray, and pink marble; the first two varieties are extensively quarried and comprise almost the entire production of the State. Polk County, white marble near Van Wert, not quarried. Whitfield County, dark chocolate-grayish marble in northwestern corner of county. Colored marbles in Bartow, Catoosa, Chattooga, Floyd, Gordon, Polk, and Walker counties.

Marl. Occurs in Bibb, Bullock, Charlton, Chatham, Chattahoochee, Clay, Craw

ford, Effingham, Emanuel, Houston, Jefferson, Pulaski, Quitman, Randolph, Screven, Stewart, Thomas, and Washington counties; not mined. Mica (muscovite). At many places throughout the Cambrian belt, which extends across the State. Cherokee County, has been mined 10 miles east of Canton and 2 miles northwest of Toonigh; prospects found near Holly Springs and Woodstock. Elbert County, has been mined near Elberton. Fannin County, found near junction of Cutcane and Hemptown creeks. Hall County, has been mined near Gainesville. Lumpkin County, mined near Tworun. Rabun County, 10 miles east of Clayton. Union County, mined near Blairsville and 9 miles from Dahlonega; has been mined at Gaddistown, Quebec, and Ward Gap. Also occurs in Carroll, Gwinnett, Heard, Towns, and Warren counties.

Millstone. See Burrstone.

Mineral paint. See Ocher.

Nickel. See Genthite.

Novaculite (oilstone). Undeveloped beds in Heard, Lincoln, McDuffie, Meriwether, Oglethorpe, and Troup counties.

Ocher (mineral paint). Bartow County, mined extensively near Cartersville, large plants.

Oilstone. See Novaculite.

Opal. Fire opal is found in Bulloch and Washington counties; hyalite in Burke, Rabun, and Screven counties.

Peat. Extensive deposits occur in the Okefenokee Swamp and in swamps and marshes in the coastal region.

Psilomelane. Bartow County, important ore of Cartersville district; mined near Cartersville, Emerson, and Rowland Spring.

Pyrite.

Bartow County, occurs in quartzite in Cartersville district; Carroll County, mined near Bremen, at Reids Mountain, and at Villa Rica; Cherokee County, mined at Ball Ground and near Creighton; Cobb County, mined at Acworth; Dawson County, occurs in large quantities on Shelton property; Greene County, small quantities in east part of county; Haralson County, mined near Westbrook, Draketown district; Lumpkin County, mined 6 miles northeast from Dahlonega; McDuffie County, occurs in considerable quantities in Columbia mine and Landers prospect; Murray County, occurs near Cohutta; Oglethorpe County, occurs in large quantities in quartz in Guarantee and Morgan mines; Paulding County, has been mined near Hiram; White County, occurs in large quantities in Blake mine. Pyrolusite (black manganese oxide). Bartow County, important ore in Cartersville district, mined near Cartersville, Emerson, and Rowland Spring; Catoosa County, occurs but not mined; Fannin County, occurs with brown iron ores 10 miles northeast of Blue Ridge; Floyd County, important ore of Cave Spring district, mined in several places; Paulding County, occurs in residual mica schist clay in Draketown district; Whitfield County, occurs but not mined.

Pyromorphite. Lincoln County, at few points in Seminole mine. McDuffie County, occasionally found in oxidized vein of Columbia mine; not mined. Quartz (rock crystal). Gem quality, occurs in Franklin, Forsyth, Fulton, Jones, Rabun, and Wilkes counties.

Radiun. See Uranophane.

Rhodochrosite. Polk County, in iron mines near Cedartown; Towns County, in small quantity lining cavities several miles west of Hiawassee; not mined.

Road metal. Suitable material in northern part of State consists of the Knox dolomite and the Chickamauga and Bangor limestones. Chert deposits of Knox and Fort Payne formations. Granite, gneiss, diorite, schist, quartzite, and trap rock widely distributed.

Ruby. Rabun County, Laurel Creek mine. Towns County, Hiawassee mine. Union County, near Caldwell.

Sand (building). Dug in Cobb County, Oakdale; Crawford County, Zenith; Floyd County, Rome; Fulton County, Bolton; Habersham County, Demorest; Henry County, Stockbridge; Monroe County, Popes Ferry; Muscogee County, Columbus; Taylor County, Howard; Telfair County, Lumber City; Walker County, Flintstone; Whitfield County, Dalton.

Sand (glass). Dug in Crawford County, Zenith; Richmond County, Augusta; Taylor County, Butler; Telfair County, Lumber City.

Sand (molding). Dug in Catoosa County, Ringgold; Gilmer County, Ellijay; Habersham County, Demorest; Newton County, Almon; Taylor County, Howard; Walker County, Flintstone; Whitfield County, Dalton.

Sandstone (flexible). See Itacolumite.

Sapphire. Rabun County, Laurel Creek mine.

Serpentine. Cherokee County, quarried at Verde Antique marble quarry, Holly Springs. Occurs also in Rabun, Towns, and Union counties; not quarried. Shale (brick). Catoosa County, occurs near Ringgold; Chattooga County, small quantity 3 miles west of Lyerly, mined and shipped; Floyd County, mined near Rome; Gordon County, mined at Calhoun; Murray County, Chatsworth; Walker County, Mission Ridge; Whitfield County, Conasauga shale, 3 miles southeast of Dalton, not used.

27608°-Bull. 624-17-8

Silver. Small quantity recovered from placer and lode gold in Cherokee, Hall, Lumpkin, Paulding, and White counties.

Slate. Bartow County, quarried near Fairmount. Polk County, several producing quarries near Rockmart; was formerly quarried near Van Wert. Soapstone. See Talc.

Sphalerite (zinc blende). Lincoln County; Seminole mine; not mined. Staurolite. Fannin County, long noted for its very perfect staurolite crystals. The mineral also occurs more or less plentifully in Cherokee, Pickens, Towns, Union, and other counties in north Georgia.

Sulphur. See Pyrite.

Talc (soapstone). Cherokee County, occurs near Ball Ground and Holly Springs. Fannin County, has been mined near Blue Ridge. Murray County, good grade of tale for burners and crayons, lower grade for grinding; mined at several places near Chatsworth. Undeveloped in Clayton, Cobb, Dekalb, Elbert, Fannin, Fulton, Gilmer, Hall, Habersham, Jasper, Paulding, Union, and White counties.

Tin. See Cassiterite.

Tourmaline. Rabun County, Laurel Creek corundum mine. Towns County, Hog Creek corundum mine near Hiawassee.

Tremolite. Fannin County, Park property near junction of Cutcane and Hemptown creeks; Pickens County, Southern marble quarries, near Tate. Tripoli. Has been mined in Chattooga County, near Lyerly. Murray County, at Chatsworth and Spring Place. Whitfield County, near Dalton. Uranophane. Dekalb County, found in joints of granite at Stone. It is coated thinly by hyalite.

Verde antique. See Serpentine.

Wad. Bartow County, associated with psilomelane and pyrolusite in Cartersville manganese mines; not mined.

Zinc. See Sphalerite.

IDAHO.

Anglesite (lead sulphate). Found in surface ores of some of the argentiferous lead mines in Blaine County, at Sawtooth, Vienna, and Wood River. Custer County, at Bay Horse. Lemhi County, in Texas Creek and other districts. Shoshone County, in surface levels of Wardner lode and other mines in the Coeur d'Alene district.

Antimony ore. Idaho County, in Yellow Pine Basin and Big Creek district. Owyhee County, at Diamond Basin and Boulder Creek. Shoshone County, in ores of Stanley mine, at Burke, in the Coeur d'Alene district; stibnite in quartz; on Pine Creek, at Kellogg, the Brown Antimony mine is being developed. See also Cervantite, Polybasite, and Stibnite.

Argentite. Occurs at the following places: Blaine County, Silver King and Vienna mines. Custer County, Bay Horse and Yankee Fork districts. Elmore County, Yuba City, Monarch mine at Atlanta, and Banner mines. Idaho County, Warren district. Owyhee County, Black Jack, Trade Dollar, and other Silver City mines. Arsenopyrite. Common in many mining districts; has been mined in the following places: Ada County, Black Hornet (Shaw Mountain) district, 8 miles east of Boise. Blaine County, mined for gold at North Star, Red Cloud, and Croesus mines; argentiferous near Ketchum. Boise County, mined for gold and silver at Gold Hill, Checkmate, Good Friday, and other claims in Willow Creek district. Bonner County, near Granite. Elmore County, Neal and Rocky Bar districts. Idaho County, Warren district. Washington County, Mineral district.

Asbestos (amphibole). Idaho County, 16 miles south of Grangeville. Lewis County, has been mined 14 miles southeast of Kamiah.

Azurite. Blaine County, has been mined with lead ore in Wood River district. Custer County, has been mined with other copper ores. Elmore County, in Tahoma mine, Atlanta district. Oneida County, has been mined at Blackstone mine. Shoshone County, occurs in gangue of silver-lead ores near Mullan; abundant in Hunter; less so in Morning mine and other mines and prospects; also common in mines and prospects of the Seven Devils Range in Adams and Washington counties.

Barite. Blaine County; undeveloped deposits reported. Shoshone County, common gangue mineral in the Gold Hunter mine at Mullan and occurs in several other mines in the Coeur d'Alene district.

Basalt. Occurs extensively in western and southern Idaho. Has been quarried intermittently at Idaho Falls, Bonneville County; Warren station (near Nampa), Canyon County; Cottonwood, Idaho County; Coeur d'Alene, Kootenai County; Lewiston, Nez Perce County; Twin Falls, Twin Falls County.

Bornite. Adams County, mined for gold and silver in Seven Devils district. Bannock County, Moonlight property near Pocatello. Kootenai County, prospects on the east side of Lake Pend Oreille. Lemhi County, Copper Queen mine. Shoshone County, Snowstorm and Copper King mines, Coeur d'Alene district. Washington County, Weiser district.

Brown iron ore (limonite). Common in outcrops of lode deposits in many mining districts; not mined for iron; used as flux at Muldoon, Blaine County. Cassiterite. Occasionally found in Jordan Creek and other streams, Bitterroot Mountains; in Lemhi County, on Panther Creek; and in Shoshone County, in the Coeur d'Alene district.

Cement materials (Portland). Blaine County, limestone and shale abundant at Arco. Clearwater County, limestone at Orofino. Nez Perce County,