 | | Report (issue) | | ** ^ Anne Arundel County 43 Baltimore County 45 Howard County - Montgomery County 88 Prince...Georges County Virginia 74 . 120 129 Arlington County 129 Fairfax County 131 Fauquier County 139...139 Loudoun County 143 Prince William County 149 Diabase quarries of northern Virginia 155 CAPTIONS...Rhythmically.layered gabbro of the Baltimore Gabbro Complex at Ilchester, Maryland. Figure 6. Triassic diabase...Coastal Plain of Anne Arundel, Prince George's/and Baltimore Counties, Maryland (Sterrett, 1911). Figure |  | | Report (issue) | | Relay Quadrangles, Howard, Baltimore, and Anne Arundel Counties, Maryland By Avery Ala Drake, Jr. 1 ...RELAY QUADRANGLES, HOWARD, BALTIMORE, AND ANNE ARUNDEL COUNTIES, MARYLAND by Avery Ala Drake, Jr. INTRODUCTION...largely in Howard County, Maryland. The northeasternmost part is in Baltimore County, Maryland and about 0...0.03 square miles is in Anne Arundel County. Most of the area is suburban and almost all outcrops are...GEOLOGY This part of the Maryland Piedmont is on the east limb of the Baltimore structural culmination |  | | Report (issue) | | Montgomery, Prince Georges, Howard, and Anne Arundel Counties, Maryland and the District of Columbia By Avery...MONTGOMERY, PRINCE GEORGES, HOWARD, AND ANNE ARUNDEL COUNTIES, MARYLAND AND THE DISTRICT OF COLUMBIA By Avery...Avery Ala Drake, Jr. INTRODUCTION This part of the Maryland Piedmont is largely in Montgomery and Prince Georges...Counties. Smaller areas are in Howard and Anne Arundel Counties, and the District of Columbia. Most of...GEOLOGY This part of the Maryland Piedmont is on the east limb of the Baltimore structural culmination |  | | Report (issue) | | 78-512 PETROLOGY OF POTOMAC GROUP SANDS IN FAIRFAX COUNTY, VIRGINIA BY Roy C. Lindholm 1978 This report...Fairfax County are dominantly microcline-rich lithic arkoses. Quartz averages 59%, microcline 25%, plagioclase...and medium grained. Most sands are texturally Microcline is somewhat more abundant in the deeper beds...Cretaceous age exposed In the eastern part of Fairfax County, Virginia is a wedge-shaped sequence of clastic...northeastward across Maryland and Delaware (Figure 1-B). Within Fairfax County, the sequence is bounded |  | | 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:...(banded, various colors), jasper. BIBB COUNTY MACON: at Holton Quarry, 7½ mi. NWagate; N of Calloway |  | | Report (volume) | | Del Norte County; Trinity River, Trinity County; Spanish Creek and Gopher Hill, Plumas County; Placerville...Dorado County; Cherokee Flats, Yankee Hill,and Oroville, Butte County; French Corral, Nevada County; Indian...Indian Gulch and Volcano, Amador County; and Alpine Creek, Tulare County. Other western localities are:...Diamond Basin, Ada County, Idaho; Curry County, Oreg.; and Nelson Hill, near Glacier County, Mont. The Great...Pierce County; Oregon, Dane County; Kohlsville, Washington County; Saukville, Ozaukee County; Eagle, |  | | Report (volume) | | Holman, Bangor. Maryland........ .Prof. E. B. Mathews, Johns Hopkins University, Baltimore. Michigan......See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton;...following localities: Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20, Pv. 7 E.; Jefferson...Jefferson County, at Elyton; Lee County, at Chewacla lime works; St. Clair County, at Gfeensport; Shelby |  | | Report (issue) | | Feldspar quarry Peerless (Diamond) Mine Road-cut Cadieux quartzite quarry Emerald Mine Pedneaud quarry Derry...Guenette granite quarries Canada Marble and Lime quarry Labelle garnet mines Castor Lake (Clot) Mine Anorthosite...Desgrosbois deposit Ivry Mine St-Donat quarry Rockway Valley marble quarry St-Remi china clay mine Laurel diopside...Brownsburg quarries Gaboriault &. Nevers Reg'd quarry Miller (Keystone) Mine McGillivray Lake Mine McGill... Frere quarry Alfred bog Plantagenet quarry Skyrock Enterprises Limited quarry Stewart quarry km 73.2 |  | | Book | | Oeareataecreccnatena ieee rp “ STATE OF MARYLAND BOARD OF NATURAL RESOURCES DEPARTMENT OF GEOLOGY...the Eastern Shore of Maryland eeoe iKFmats{ni} = x S ”= BALTIMORE, MARYLAND 1948 COMMISSION ON...WATER. RESOURCES ARTHUR B. STEWART, Chairman Baltimore Hormes Frederick Harry D. R. BAKER Hyattsville...Subsurface Geology of the Coastal Plain sediments of Maryland resulted from the drilling of three deep test...drilled in the Coastal Plain region of Maryland and in Western Maryland before, the explorations carried out |  | | Report (issue) | | Survey, jefEerson City. MARYLAND GEOLOGICAL VOLUME TWO SURVEY MARYLAND GEOLOGICAL SURVEY VOLUME...VOLUME TWO BALTIMORE THE JOHNS HOPKINS PRESS 1898 to ZQe §tieieniva(i Company BALTIMORE, MD., U. S....President. GOVERNOR OF MARYLAND. PHILLIPS LEE GOLDSBOROTJGH, COMPTROLLER OF MARYLAND. DANIEL C. GILMAN,...SILVESTER, ...... Seceetaey. PRESIDENT OF THE MARYLAND AGRICULTURAL COLLEGE. SCIENTIFIC STAFF Wm.... To His Excellency Lloyd Lowndes, Governor of Maryland and President of the Geological Survey Cominission |  | | 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) | | The Conglomerate, the monthly newsletter of the Baltimore Mineral Society. It has been enriched with photographs...By Al Pribula Reprinted from the Conglomerate, Baltimore Mineral Society Part 1: What’s the Difference...calcite from Franklin, NJ and from the Medford quarry here in MD is due to Mn2+), but Mn3+ ions do not...localities in northwest Ohio (white, cream); Hardin County, Illinois (white); Bingham, New Mexico (blue or... gypsum, halite, hemimorphite, hydrozincite, microcline, opal, orthoclase, scapolite (var. wernerite) |  | | Journal (article/letter/editorial) | | locality in the State is Russell Gulch in Gilpen County. A small but very fine crystal group from Russell...mind. We have only one small rock outcrop in my county (Orange) at Rock Springs near Apopka. "The beaches...specimens in the world are found in the limestone quarry in Legrand, Marshall Co., Iowa. The most noted...Here are some of the specimens collected: "Bumpus Quarry, Albany, Maine—Rose quartz, beryl xls (and massive)...black tourmaline xls, beryl, muscovite. "Harvard Quarry, Noyes Mt., Greenwood, Maine—Garnets, black tourmaline |  | | Journal (article/letter/editorial) | | gsapubs.org on August 7, 2015 424 PROCEEDINGS OP BALTIMORE MEETING. Page Session of Saturday, December 29... Salisbury.. . . . . . . 483 Register of the Baltimore meeting, 1894............................... ...Kansas, Texas, Vir ginia, Wisconsin, 3 each; Maryland, South Dakota, Vermont, West Virginia, 2 each...gsapubs.org on August 7, 2015 426 PROCEEDINGS OF BALTIMORE MEETING. DISTRIBUTION OP BULLETIN FROM THE SECRETARY’S...gsapubs.org on August 7, 2015 428 PROCEEDINGS OP BALTIMORE MEETING. list of “ accessions ” has been prepared |  | | Report (issue) | | . . ... . . . . . . . . . . ... .. . Feldspar quarry . . . . . . . . . . . . .... . .. . .... . ....... . . . . . . . . . . ...... Cadieux quartzite quarry . . . . . . . . . . . . . ... ... . . ... .. .... . . . . . . . . . . . Canada Marble and Lim e quarry . . . . . . . . . Lab e ll e garnet mines . . .... . . . St-Donat quarry................ . .. . . . . . Rockway Valley marble quarry. . . . . . . . ....quarries . . . . . . . . . Gaboriault & Nevers Reg'd quarry. Miller (Keystone) Mine .. . ...... . . . . . |  | | Journal (article/letter/editorial) | | of Western Grove,in the N.E. section of Newton County. All these are in N . W . Arkansas. "It happened...a very large and interesting one from Lawrence County, Arkansas." CALIFORNIA—Emmett Klopfenstein, Box...strongly radioactive microlite occurs at the Slocum quarry in E. Hampton. A few of the octahedral crystals...patches of impure reddish hematite occur in Lincoln County, Kansas, near Juniata. KENTUCKY — Sandstone containing...has been known as hamlinite and bowmanite." 258 MARYLAND—Nice brownish pebbles of quartz (resembling jasper |  | | Report (volume) | | ...................... 1. Eocks from Aroostook County I............................. 19 19 2. Litchfieldite................................................ Maryland, District of Columbia...........................56 1. Elliott County dike........................................ 56 2. Crittenden County dike............................................... 3. Colfax County......."............................................... 3. Plumas County .............................. .............. 4. Butte County................ |  | | Report (issue) | | Hoersch Tectonic evolution of the Baltimore Gneiss anticlines, Maryland Peter D. Muller and David A. Chapin...associated terrane near Philadelphia; the Baltimore Gneiss domes of Maryland; and the Sauras Massif of North Carolina...gneiss, locally with megacrysts (phenocrysts) of microcline; present, but not shown in Northwest Lowlands...an average of 34% quartz, 11% plagioclase, 50% microcline perthite, 2% pyroxene and horn- PLUTONIC ROCKS...-magnetite gneiss near top. (SE) sillimanite-microcline gneiss (+ garnet, biotite) with sillimanite nodules |  | | Report (volume) | | ............................................. Maryland.................................................Maryland____Prof. E. B. Mathews, Johns Hopkins University, Baltimore. Michigan____Mr. R. A. Smith, Lansing. Dr. A....See Bauxite and Halloysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton;...following localities : Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20 S., R. 7 E.; |  | | Report (volume) | | ...................... 1. Rocks from Aroostook County..... ^..................'........... 2. Miscellaneous................................................ Maryland and the District of Columbia....................1. Elliott County dike............................................... 2. Crittenden County dike............................................. 3. Colfax County................ I................................142 3. Plumas County............................................... 144 4. Butte County.............. |  | | Report (volume) | | crystalline rocks Maine 1. Rocks from Aroostook County 2. Litchtieldite and associated minerals New lIampshire...Miscellaneous rocks New Jersey Pennsylvania Delaware Maryland, District of Columbia 1. Peridotite and pyroxenite...Carolina (ieorgia Kentucky 1. Elliott County (like 2. Crittenden County dike Tennessee Missouri Arkansas Texas...Grande Canyon 2. Mount Taylor region 3. Colfax County 4. Miscellaneous rocks Arizona 1. Globe district...Butte County 5. Sierra County 6. Nevada City anti (lras Valley 7. Placer County 8. Eldorado County 9. Amador |  | | Report (issue) | | aeroradioactivity and geology of an area in Howard County, ~d---------------------------5. ~ap showing aeroradioactivity...aeroradioactivity and geology of an area in Montgomery County, Md________________________ 6. Profiles showing...Carolina and Georgia__________________ 9. Part of Hart County, Ga-------------------------------------------...Georges County, Md---------------------------------------------------------14. Area in Parker County, Te...speed of 145 miles per hour. Topographic maps, county road maps, and aerial photographs are used for |  | | Journal (issue) | | introduction to his guided photographic tour of the county we all know so well (or thought we did!) Alan has...sandstone, although it is not known from which quarry the stone came, and one of Alan's slides showed...Sussex! Alan then went to the extreme West of our county to show us a series of pictures of the varied coastline...castles guarding the mouths of the Sussex rivers at Arundel and Lewes, to the mussel beds in the Adur mouth...Sussex and its geology, and in photographing the county in all its moods. We were privileged to see the |  | | Report (issue) | | GEOLOGIC RADON POTENTIAL OF EPA REGION 3 Delaware Maryland Pennsylvania Virginia West Virginia OPEN-FILE...GEOLOGIC RADON POTENTIAL OF EPA REGION 3 Delaware, Maryland, Pennsylvania, Virginia, and West Virginia R...Preliminary Geologic Radon Potential Assessment of Maryland Linda C.S. Gundersen 73 5. Preliminary Geologic...aerial radioactivity, and indoor radon data by county. Because of constraints on the scales of maps presented...The reports are available in county formats and State summaries. The county reports typically contain both |
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