 | | Journal (article/letter/editorial) | | unfortunately long past. A rare-earth pegmatite was mined at Barringer Hill in Llano County in the early...on "The Weeks Pegmatite Mine, Wakefield, Carroll County, New Hampshire" (March/April 1991). i i • I...66, May/June 1991 197 LOCALITIES BY COUNTY Bastrop County KEY mm T * ? — — — — best occurrence..."specimen quality" questionable occurrence Angelina County Lufkin, 1 mile N of Lufkin in railroad cuts, in...(petrified wood) (Folk et al., 1961). Baylor County Aransas County Aransas Pass area, Intercoastal Canal |  | | Report (volume) | | was published in 1938 as Bulletin 896; it met a long-standing and continuing need and was reprinted in...Bull. 1060-D, p. 193, 252-253, pl. 7. In Nemaha County, Kans., member is basal unit of Howard limestone...Aarde farm, sec. 4, T. 26 S., R. 11 E., Greenwood County. Aaron Slatet Precambrian or Paleozoic: Central...Central Railroad, sees. 5-7, T. 11 S., R. 5 E., Pope County. Named for Abbott Station. Abbyville Gabbrol Precambrian...map. Occurs in vicinity of Abbyville, Mecklenburg County. Abercrombie Formationl Middle Cambrian: Western |  | | Report (issue) | | C. A. Michael. COLD NUGGET FROM SPOTSYLVANIA COUNTY: Longest dimension approximately 13 cm., photograph...updated “check list” just alluded to, (2) a county-by-county listing of the minerals, and (3) resumes of...(Haydcnitc) 9 Virginia Mineral Localities by County This list is included for possible aid in planning...listed only* if localities arc given for them. The county lists do not include com mon rock-making materials...to occur only as traces. ACCOMACK COUNTY: none given. ALBEMARLE COUNTY: actinolitc, agate, almandine, amethyst |  | | Book | | The Moving Earth 14 Sedimentary Rocks 96 Mountain Building 16 Metamorphic Rocks 116 Earthquakes...Rocks through the ages Rocks have long played a part in human history. Long ago, our ancestors were chipping...materials of the landscape. Every valley, hill and mountain peak is made entirely of rocks and minerals. Yet...gently settling layers on the sea bed. Climb any mountain away from the city and gaze out on the landscape...on the (pronounced D double prime) layer, and Long after an earthquake, its asthenosphere like ice |  | | Report (volume) | | BIKECTOK THE ANCIENT VOLCANIC ROCKS SOUTH MOUNTAIN, PENNSYLVANIA FLORENCE BASCOM WASHINGTON GOVERNMENT...An account of geological surveys in the South Mountain below the Susquehanna...........................sandstone at the east end of the tunnel through Jacks Mountain on the Gettysburg Railroad .....................Basconi on the Ancient Volcanic Kocks of South Mountain, Pennsylvania. This work was done in the field...of ancient volcanic rocks, not merely in South Mountain, but in many other regions of the Eastern United |  | | Report (issue) | | this volume. Of these, two must be noted for their long and valued association with the project. Mr. Richard...Tektosilicates Feldspar Group (Orthoclase) (Microcline) (Anorthoclase) (Albite) (Oligoclase) (Andesine) (Labradorite)...prospects in the lower Ludlow lignites. Harding County: 1. Abemathyite has been identified as a component...Soluble In hydrochloric acid, yielding Custer County: 1. Allanite has been reported to occur as small...the Needles area. Runner (7) p 453. Pennington County: 1. Allanite occurs as microscopic inclusions in |  | | Book (volume) | | authors agonized over the philosophy of including long quotations. In the end, the reason for using the...greater variety of minerals are found in Oxford County, alone, than anywhere else on Earth of comparable...than Maine's, as well. An area smaller than Oxford County in Murmansk Ob last, Kola Peninsula, Russia, has...clear to slightly blue topazes. However, San Diego County, California, is arguably the most important gem-pegmatite...Pala, California better than those from Black Mountain in Rumford, Maine? Are the cassiterite crystals |  | | Book | | > 1012(?) 6.15 X 10 10 6 X 10 14 Probably very long .--...,1021 1.72 X 107 } 7 X 10 10 2 X 10 15 (...minerals should be tested under both short- and long-wave ultraviolet. The short-wave range is 2,300...fron1 com1nercial equipment at 2,537 or 2,652 A. The long-wave range is front 3,100 to 4,000 A, with 3,650...irradiation may have to accumulate for geologically long periods of time ( Marshall, 1955). Not all gray...Hills, S.Dak.; Hyatt Beryl pegmatite, Crystal Mountain district, Colo.; Lac la Ronge, northern Sask.; |  | | Report (issue) | | NEAR SCHOOL HOUSE, LOT 110, 15th DJST., DeKALB COUNTY, GEORGIA, SHOWING PEGMATITE DIKE IN MICA SCHIS'......... . Baldwin County .......................................... . Warren County .............................................. . Columbia County .......................................... . Other counties......... . Wilkes County ............................................ . Greene County .......................... . Putnam County ........................................... . Jasper County ................ |  | Arenas, R., Novo-Fernández, I., Garcia-Casco, A., Díez Fernández, R., Fuenlabrada, J.M., Pereira, M.F., Abati, J., Sánchez Martínez, S., Rubio Pascual, F.J. (2021) A unique blueschist facies metapelite with Mg-rich chloritoid from the Badajoz-Córdoba Unit (SW Iberian Massif): correlation of Late Devonian high-pressure belts along the Variscan Orogen. International Geology Review, 63 (13) 1634-1657 doi:10.1080/00206814.2020.1789509 | Journal (article/letter/editorial) | | part of the Variscan Orogen, a section of the long mountain chain formed in Devonian and Carboniferous times...samples and Ln-Resin (Eichrom Technologies, Inc., USA) to recover purified Sm and Nd fractions, which were...22 20 24 26 28 30 32 34 36 38 40 Anorthoclase Al2O3 wt.% 10 6 Pseudothuringite 3 Brunsvigite...GEOLOGY REVIEW the main assembly of Pangea was a long and com plex process. This assembly did not occur...assembly of Pangea began in Devonian times and was a long and complex process that involved several stages |  | | Journal (volume) | | South Africa; and Maine and other regions of the USA. Minor deposits of rose quartz can also be found...in Afghanistan , India, Pakistan, China, Montana, USA, and Norway. • • TWo 19th-centurv brooches set with...watches with jewelled mechanisms are accurate and long lasting. The world's most famous rubies A famous...at the Smithsonian Institution in Washington, DC, USA. • A Burmese ruby in calcite, a common mineral....formation of a network of planets and stars that have long fascinated Man. Earth is the only one of the planets |  | | Report (volume) | | Quadrangle, New York, Vermont, and New Hampshire Carl L. Long CHAPTER H Metallic Mineral Deposits in the Glens...Elements in the Vicinity of Mount Ascutney, Windsor County, Vermont Leslie J. Cox CHAPTER 0 Carbonate-Hosted...and Heavy-Mineral Concentrates from the Orange County Copper District, East-Central Vermont John F. Slack...1) extends from lat 43°00' to 44°00' N. and from long 72°00' to 74°00' W. and has a contained land area...postulated metallic mineral deposits. Chapter G, by C.L. Long, describes the results of airborne electromagnetic |  | | Book | | our total indebtedness to Dr R. J. Adie for the long of communication, but all these have been solved...Gonzalez-Bonorino: The volcanic ranges of Marie Byrd Land between long. 100° and 140° W. 261 Allan Battlements-Carapace...is bounded by the Scotia Ridge. This feature has long been considered as a possible fragmented landbridge...relief from the ocean floor being about the for a long time, though Lower Cretaceous sediments are same...Falkland Islands to the Scotia Sea, approximately along long. 61° W. (part of fig. 14 from Ludwig and others |  | | Report (volume) | | Wisconsin____________________ 338 Chippewa River and Barron County ___________ 338 Central Minnesota ______________________...Highland belt____________________________ South Mountain of Pennsylvania_______________ Section 2. Maryland...summaries of the writings of a geologist who has been long at work in a region it will generally not be difficult...and Montana, J. A. Taff for Indian Territory, Oklahoma, and Texas, F. L. Rahsome for Arizona and Idaho...center. Similarly it has often been noted that the mountain folds of North America are roughly concentric |  | | Report (volume) | | appropriate, the applicable early Mesozoic basin, State, county, or 7 1/2minute USGS topographic quadrangle covered...the State are cited. More than one basin, State, county, or quadrangle may appear for an entry. A State...C.-S.C.) Deep River (N.C.) Durham (N.C.) Davie County (N.C.) Dan River and Danville (N.C.-Va.) Scottsburg...presence of a buried Triassic basin in King George County beneath the Coastal Plain. The edge of this basin... 1968, Geology and mineral resources of Orange County, North Carolina: North Carolina Division of Mineral |  | | Book | | towards the East forming an arching bow-shaped mountain chain of 1,500 km in length that extends through...content and extent. The final version is the result of long and frequent consultations between the authors....N T R O I) I I I [ON (University of Michigan. USA); Dana Pop (BabesBolyai University. Cluj-Napoca)...- for unpublished data. Jožka Vajdák (New York, USA), for rendering into English text. Ukraine: University... alacsony niski mine dul bánya kopalnia mountain kopec, vrch hegy góra mountains range or chain |  | | Book (volume) | | Eastern Michigan University Michael Broyles Collin County Community College David S. Brumbaugh Northern...Arizona University James A. Burbank, Jr. Western Oklahoma State College Robert E. Carver University of...Texas Woman's University Pamela R. Justice Collin County Community College Christopher Keating Angelo State...Kiesel University of Wisconsin Center— Baraboo/Sauk County Geology W. David Liddell Utah State University...midchannel accumulation of sand and gravel with its long axis oriented roughly parallel to the river flow |  | | Book (edition) | | G. G. logos, a word, discourse, science macros, long, large megas, great mesas, middle G. meta-, back...more general action of corrasion or attrition. 'So long as the particles [in a stream] are borne along in...duration, of the world, or of the universe'. A very long period in the history of the earth, longer than...RADIOACTIVITY AGE-METHOD. Age of mountains. 'A mountain range has many ages. The surface is of present...of 'agglutinated' foreign particles. Aggrade. 'So long as deposition on the flood p lain kept pace with | | | Book | | towards the East forming an arching bow-shaped mountain chain of 1,500 km in length that extends through...and ex tent. The final ver ion is the result of long and frequent consultation between the authors. Many...(Eotvd L. I ' TRODUCTIO (University of Michigan. USA): Dana Pop (Babe Bolyai Univer ity. Cluj-Napoca}...- for unpubli hed data. Jozka Vajdak (New York. USA). for rendering into English text. Ukraine: Univer...height hill lake lillle. smal l low. lower mine mountain mountains range or chain open-pil peak pil quarry |  | | Book (edition) | | G. G. logos, a word, discourse, science macros, long, large megas, great mesos, middle meta-, back again...more general action of corrasion or attrition. 'So long as the particles [in a stream] are borne along in...duration, of the world, or of the universe'. A very long period in the history of the earth, longer than...RADIOACTIVITY AGE· METHOD. Age of mountains. 'A mountain range has many ages. The surface is of present...of 'agglutinated' foreign particles. Aggrade. 'So long as deposition on the flood plain kept pace with |  | | Book | | range 209 it: FOREWORD The Lake District has long been a classical area for geologists. Since the...of England and Wales. This idea did not survive long since Williams (1975) 2 * QUATERNARY F. MOSELEY...of England and Wales. This idea did not survive long since Williams (1975) 4 F. MOSELEY A L = Lakeland...when renewed continental movement brought about the long imminent continental collision. The remaining relics...Palaeozoic rocks. The New Red Sandstone Deserts It has long been known from the nature of the sediments that |  | | Report (volume) | | Baronga Arakan Coast, Burma. Island (lat. 19° 30'; long. 93° 2' 15") and Was first discovered on the 14:th...the projected dam. This would necos.sitate a very long dam to hold up the water and prevent it 1‘rom percolating...thereforeunsuitable. '> dlstfict! the alluvium is long. to 15'). ’ Part General Report for 1923....sides of the hills between Samram (lat. 22° 44' 2" long. 86° 4') ; and Basulitocha, in Seraikela State...sulphide-bearing. Two levels, 35 feet and 10 feet long, have been driven but pass out of the vein which |  | | Book | | indicated by the fact that the problems took as long to design and work out as the text took to write...do not have high shear strength, especially over long periods of time. Instead, they flow as if they...Heat is generated in the crust by the decay of the long- lived radioactive isotopes, 75U, ?38U, 7°?Th,...however, so interior ofa flow may remain hot for long periods. in 1959 the eruption of Kilauea Iki produced...these may be small, they would continue to exist as long as melting took place. Higher pressure could occur |
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