 | | Journal (article/letter/editorial) | | thulite, the pink variety of zoisite, namely: in Maryland, Connecticut, New Mexico, and North Carolina....abundant euhedral crystals of sphene and some epidote. B r i g h t p i n k c r y s t a l s( a : 1 . 6...the Connecticut River from the famous Gillette quarry, thulite occursas a band nearly a foot thick in...Haddam tonalite gneiss.Associatedminerals are epidote, labra* Published by permission of the Director...of pegmatite containing thulite from the Ethel quarry of the Ethel Granite Corporation, situated about |  | | Report (issue) | | for Part of the Circum-Atlantic Terrane Map by J. Wright Horton, Jr. 1, Avery Ala Drake, Jr. 1, and Douglas...NA2i: Inner Piedmont composite terrane 7 NA28: Baltimore terrane 8 NA29: Sauratown terrane 9 NA30: Pine...Appalachian region of the United States, from New York City to central Florida. Alphanumeric symbols for terranes...(Pavlides and others, 1980). The Peach Bottom Slate in Maryland may correlate with the Arvonia Slate and Quantico...characterized, as well as Wakefield Marble and Silver Run Limestone. DEFORMATIONAL AND METAMORPHIC EVENTS-Theterrane-boundary |  | | 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...in Howard County, Maryland. The northeasternmost part is in Baltimore County, Maryland and about 0.03 square...GEOLOGY This part of the Maryland Piedmont is on the east limb of the Baltimore structural culmination...RavenLaurel tectonic motif and the arc rocks of the Baltimore and Soapstone Branch thrust sheets. These rocks |  | | Journal (article/letter/editorial) | | avian excretion. But there is no small, green epidote xls in pegmatite. evidence of "fossil" guano, nor...of Mono Lake. of all the geodes found at Grey's quarry, We now have evidence that Paoha Is- Hamilton,...them in R&M. May your continued visits to Grey's Quarry always be happy ones. Hamilton, in W. Hancock County...collecting of Montana agate from Glendive to Miles City along the Yellowstone River. We went out at daybreak...at Miles City as we had done the morning before at Glendive. We got some agate at Miles City but nothing |  | | Report (chapter) | | apply: Facies Grade of pelitic rocks Greenschist Epidote-amphibolite Lower amphibolite (K) Lower amphibolite...schist with sodic-calcic amphibole + chlorite + epidote + plagioclase + quartz is assigned to a medium-...Alabama Connecticut Delaware Georgia Massachusetts Maryland Maine North Carolina New Jersey NH NY PA PQ RI...Avondale anticline Baltimore gneiss domes Blue Ridge Mountains Columbia pluton Falls Run granite Honey Brook...Wenlock metamorphism in the northern Appalachians, USA. Abbreviations are defined in Table 1. The stippled |  | | Journal (article/letter/editorial) | | take a fishing pole." CONNECTICUT-From a limestone quarry near Canaan, Litchfield Co., Conn., we have a very...adularia epidote, esbeen found Co., Me. MARYLAND-Zelma Wright, Jr. 3105 Dundalk Ave., Baltimore 22, Md...Beltway, Baltimore Co., Md. "There is a good collecting area at junction of Joppa Road and Baltimore Beltway...junction."—letter dated Aug. 28, 1958, from Mr. Wright. MASSACHUSETTS-Ernest H. Fisk, West Chesterfield...colored sheets of selenite are found in the quarry at National City, Iosco Co., Mich. These sheets of selenite |  | | Book (volume) | | colors), jasper. BIBB COUNTY MACON: at Holton Quarry, 7½ mi. NWagate; N of Calloway airport at rd...1½ mi., in Knox dolomite exposed in an abandoned quarry Barite, Calcite, Fluorite (purple cubes), Galena...US 27: (a) along both sides of Hwy.agate; (b) quarry on W side of rd.agate, chalcedony, chert, opal;...W 3 mi. and 2 mi. N: (a) at the Marble Springs Quarrygemmy marble (red and green); (b) E, in Taylor...quarriesCalcite, Epidote, Fluorite, Garnet, Thulite, Tourmaline, Zeolites; Rock Chapel Quarry, on N side |  | | Report (volume) | | CHAPTER II. GRANITES OP MARYLAND ...................................... The Maryland Piedmont region.......102395 4 CONTENTS. CHAPTER II. GRANITES OF MARYLAND Continued. PageScientific discussion Continued................................... 49 Individual quarry areas............................................................................... 51 Ellicott City area..............................................quarries................................... 51 Baltimore County .................................... 51 |  | | Report (issue) | | ...........15 Isolated Newark rocks- Virginia-Maryland..................16 Other possible Early Mesozoic....................................18 Glenarm-Baltimore Complex terrane.........................18 Sub-Coastal...Sub-Coastal Plain extent of Glenarm-Baltimore Complex rocks........................................19 Long...gravity lows within the Coastal Plain of Virginia, Maryland, Delaware, New Jersey, and New York for which...1984), Virginia (Zietz and others, 1977), and Maryland, Delaware, and New Jersey (Zietz and others, 1980b) |  | | Report (issue) | | rreu H. Kruc, Burkeville G.c,nr,arqo E. Moss, Chase City Enwnsr L. Slrrru, Grundy Jouw S. TnonNroN, Culpeper...PedlarFormation.... Cambrian or Precambrian rocks. Swift Run Formation. Catoctin Formation. CambrianSystem. Loudoun...manganese mine. . . 18. Extraction site of the Dry Run Sand and Gravel Company............... 65 ElbrookFormation...by metamorphosed sedimentary rocks of the Swift Run Formation, and this unit is conformably ovedain by...parts of five lS-minute quadrangle maps: Madison, Stony Man, Strasburg, Mt. Jackson, and Elkton. The primary |  | | Journal (article/letter/editorial) | | Annual Convention of the Eastern Federation in Baltimore, Md., last September (see Nov-Dec 1956, R & M...is characteristic of of idocrase at the Gillette Quarry in Had- the mineral. I believe this to be one of...a new discovery of that material "The Tollgate Quarry in Middletown at the famous old locality. What...is being made to organize from the wall of the quarry. The remnants a mineral club in this part of the...a chance to pick up specimens. scheelite at the quarry, but only as specks. The terrain consists mostly |  | Lyttle, Peter T., Aleinikoff, John N., Burton, William C., Crider, E. Allen, Drake, Avery A., Froelich, Albert J., Horton, J. Wright, Kasselas, Gregorios, Mixon, Robert B., McCartan, Lucy, Nelson, Arthur E., Newell, Wayne L., Pavlides, Louis, Powars, David S., Southworth, C. Scott, Weems, Robert E. (2017) Geologic map of the Washington West 30’ × 60’ quadrangle, Maryland, Virginia, and Washington D.C. Open-File Report 2017-1142. US Geological Survey doi:10.3133/ofr20171142 | Report (issue) | | 478±6 Ma Oo* Early Ordovician 483±9 Ma Mine Run Complex Oi O|po O|mIV O|mIII O|gu O|mII Zlch...a maximum elevation of about 55 m (180 ft) in Maryland and 117 m (384 ft) in the District of Columbia...rocks as well as the Catoctin Formation (Zcm) Swift Run Formation (Neoproterozoic)—Fine-grained, greenish-gray...lesser amounts of muscovite, opaque minerals, epidote, chlorite, and rare garnet. Layering is commonly...type locality (Southworth and others, 2010) Dale City Quartz Monzonite (Middle Ordovician)—Medium-light-gray |  | | Journal (issue) | | Contents for July-August, 1950 CHIPS FROM THE QUARRY ...................................................................................... Rosco C. WRIGHT DIES S UDDENLY .................................................. 363 WORLD'S LARGEST SANDSTONE QUARRY ............ .................................................. 373 ANEW MINERAL LQCALilY IN BALTIMORE, MD. By fack Kepper ........ 374 LINTEN B. GREENE...--v,-- _ ......... ,., :,,..v CHIPS FROM THE QUARRY ---------------•••-••_,..............,..._,.., |  | | Book | | Pennsylvania___ _ _ _ 1 _ 2 _ 2 1 CHAPTER 4 Maryland ... 3 CHAPTER 5 Virginia 4 1 CHAPTER 6 West...n g y e l l o w " c o l o r " i n y o u r pan. Maryland: M o n t g o m e r y, Frederick, H o w a r d ...worn rocks along eastern streams and rivers f o r epidote, unakite, blue quartz, agate, chalcedony, petrified...n d a n assortment o f fossils. Photograph b y Maryland Board o f Natural Resources. 2 K e n t u c k...took home from old quarries in Pennsylvania and Maryland, pieces of apple green precious serpentine. In |  | | Book (volume) | | and RR cuts and banks of Mason Cr.⎯fossils; d Coal City, on area mine dumps from sedimentary overburden⎯oval...dumps⎯Marcasite, Pyrite. HANCOCK COUNTY DALLAS CITY: on the Dallas Cr. (see map next page) ⎯geodes (lined...crystals); (b) Hamilton Quarry, the lower Warsaw section at the top of the quarry (see map) ⎯geodes (lined...Smithsonite and Sphalerite in any combination). Hamilton Quarry Location East Branch Crystal Glen Creek NAUVOO... Illinois Niota Dewdrop Diamond Geode Location Dallas City Geode Location WARSAW, area rd. cuts, pits quarries |  | | Book (volume) | | and RR cuts and banks of Mason Cr.⎯fossils; d Coal City, on area mine dumps from sedimentary overburden⎯oval...dumps⎯Marcasite, Pyrite. HANCOCK COUNTY DALLAS CITY: on the Dallas Cr. (see map next page) ⎯geodes (lined...crystals); (b) Hamilton Quarry, the lower Warsaw section at the top of the quarry (see map) ⎯geodes (lined...Smithsonite and Sphalerite in any combination). Hamilton Quarry Location East Branch Crystal Glen Creek NAUVOO... Illinois Niota Dewdrop Diamond Geode Location Dallas City Geode Location WARSAW, area rd. cuts, pits quarries |  | | Journal (article/letter/editorial) | | derived from the south (Shanmugam, 1980; Stevens and Wright, 1981) that flowed along the NE-SW axis of the...unconformably on the marine sequence (Stevens and Wright, 1981). Sedimentation in the foreland basin continued...deposition by turbidity currents in deep water. Swift Run Formation. This formation occurs throughout most...Bloomer, 1950; Werner, 1966; Brown, 1970), the Swift Run occurs in lenses as much as 400 m thick, unconformable... in the Culpeper-Rockfish River area, the Swift Run is conformable with the underlying Charlottesville |  | | Journal (article/letter/editorial) | | COLORADO—"The micro hunter can do well almost within the city limits of Silverton (San Juan Co.), Colo. On the...hunting with my father, and some friends, at Gillette Quarry, Haddam Neck, Conn. While going over the old dump...40, in New Castle Co., Del., 2 miles west of the city of New Castle, black pebbles of basanite have been...numerous septeria-like masses on open hillside. Epidote: Green, xline masses in amygdules of a purplish...purplish basalt, found in nearby field. Greenish epidote mass with reddish feldspar and smoky quartz, found |  | | Report (issue) | | Uranium occurrences in non-sedimentary rocks of Maryland ............ 31 Table 6 Uranium occurrences in...Uranium occurrences in non-sedimentary rocks of Maryland...................................... 33 Figure...to Januzzi, quarry is near bottom of next 1959. hill. Distance from Branchville to quarry is 0.6 km. ...until it ends. Continue by foot along old roadway, quarry is on left side of trail. Pegmatite - Torbernite...Hazen Property Pelton's Quarry Rock Landing Uraninite, columbite, Pegmatite Quarry gummite, autunite, torbernite |  | | Journal (issue) | | 1946 CONTENTS FOR OCTOBER, 1946 CHIPS FROM THE QUARRY .................................................•••..•...••.•.•...•..•664 LIBERTI COPPER MINE, MARYLAND. By Vernon / . ~filler .................... 665...•••....................................•667 ATLAS QUARRY, HARDYSTONVILLE N . J. By Peter Zodac ...........Reykjavik ( capital, chief seaport, and largest city) . The cavern is in lava and is quite large (about...few shacks and you know you arc looking at Tull City, an old mining camp built around 1905. Your mineral |  | | Report (volume) | | Bulletin 1350, 848 p. Luttrell, G. w., Hubert, M. L., Wright, W. B., Jussen, V. M., and Swanson, R. W., 1981... Overlies Mallard Island Member; underlies Pick City Member 10. Type section: Riverdale Section, bluffs...(Newark Group) Late Triassic 1. 2. Virginia (NE), Maryland LEXICON OF GEOLOGIC NAMES OF THE UNITED STATES...northern part of the Culpeper basin, Virginia and Maryland: U.S. Geol. Survey Bull. 1422-C, p. C5 Calcisiltite...(Newark Group); underlies and intertongues with Bull Run Formation (Newark Group) Type section: Exposures |  | | Report (issue) | | Melanges URS awe) ee) (olen) (eral Edited by J. Wright Horton, Jr Nifeare)iens Rast SPECIAL PAPER 228...Olistostromes of the U.S. Appalachians Edited by J. Wright Horton, Jr. U.S. Geological Survey 928 National...Olistostromes of the U.S. Appalachians / edited by J. Wright Horton, Jr., Nicholas Rast. p. cm.—(Special paper...Olistostromes—Appalachian Region—Congresses. I. Horton, J. Wright. II. Rast, Nicholas. III. Series: Special papers...ce cece cece cece eeees 1 Nicholas Rast and J. Wright Horton, Jr. Accretion of the Boundary Mountains |  | | Report (issue) | | DeDecker between a rock and a hard place. Outcrops of Stony Mountain Gabbro on Ridges Mountain, Randolph County...... 4 Stop 1.3 Structure in Vulcan Gold Hill quarry ................................................................................... 11 Stop 1.7 Stony Mountain Gabbro at the vineyard ..................1 Jacob’s Creek quarry main pit …………………………………………………… 14 Stop 2A.2 Jacob’s Creek quarry Cid mudstone –...………………………………………… 29 Stop S-6 Aaron Formation near Siler City …………………………………………………... 30 SCIENTIFIC PAPERS OVERVIEWS |  | | Journal (article/letter/editorial) | | of March 20, 1957: "Bauxite is found around Rock Run, in the southeastern part of the county, and was...a vein carrying cobalt worth $50,000, near Rock Run. "Quartz, mica, iron ore, coal and limestone are...variety of zoisite), associated with pale green epidote, labradorite, andesine, etc. Some thulite, such...isn't visible, a foot-thick layer of granular epidote can be seen. Thinner zones of orange and orange-red...from across the Connecticut River, at the Gillette Quarry, but of a more attractive color. In fact, some |  | | Journal (issue) | | MONTHLY Contents For October, 1939 CHIPS FROM THE QUARRY .................................................correctly identify every specimen you find. But it Epidote Croft Magnetite Mine. 6 miles N. of Peekskill,...Westchester County, N. Y. Tourmaline Strickland Pegmatite Quarry, Collins Hill, 2½ miles N . E. of Portland, Middlesex...O\V prospecting p it located near the head of Rock Run and not far from Potomac, Md., above Great Falls...hydraulic, goldgravel washing plant on Bull N eck Run , Va., some 10 miles west of Washington. Sufficient |
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