 | | Journal (article/letter/editorial) | | Carbon from Silicified Tree Trunks, Petrified Forest, New Cairo, Egypt – Possible Interpretations of Palaeoenvironment1...Sector, Nuclear Materials Authority, Qattamia, Cairo, Egypt *e-mail: egy100@yahoo.com Received December...Abstract⎯The silicified tree trunks of the New Cairo Petrified Forest – evidence of fossilized remains of Paleogene...Paleogene angiosperms also abundant in other sites in Egypt – are found in horizontal positions on the surface...Type A composed of microgranular quartz ± some goethite ± minor moganite and (2) Type B composed of chalcedony |  | | Journal (article/letter/editorial) | | SIGNATURES OF SILICIFIED WOOD FROM THE PETRIFIED FOREST, NEW CAIRO, EGYPT KAMALELDIN M. HASSAN§ Department...Qattamia, Cairo, Egypt ABSTRACT Samples of silicified wood from the New Cairo Petrified Forest—evidence...Forest—evidence of a Paleogene forest also abundant at other sites in Egypt—were analyzed for mineralogy, organic carbon...%. The samples comprising quartz (78.3–100%) 6 goethite (0.3–17.3%) 6 mogánite (2–4.5%) 6 gypsum (2%)...Wood A and (2) Silicified Wood B. The first is petrified with only microgranular quartz and the second |  | | Journal (article/letter/editorial) | | MÖSSBAUER STUDY OF SAMPLES FROM THE PETRIFIED FOREST, NEW CAIRO, EGYPT KAMALELDIN M. HASSAN§ Department...Nuclear Materials Authority, P.O. Box 30, Maadi, Cairo, Egypt ABSTRACT As part of an investigation of iron...iron species in fossil wood at the New Cairo Petrified Forest, representative samples, collected from the...distribution method, showed a major sextet of Fe3+ in goethite (64.75–100%), another sextet of Fe3+ in hematite...environments post-fossilization. Equivalent weights of goethite and hematite in these samples calculated using |  | | Journal (article/letter/editorial) | | 2018 Abstract: The best-known and most-studied petrified wood specimens are those that are mineralized...most familiar to the author. The terminology “petrified wood” is used in preference to “permineralized...attempts have been made to review non-silicified petrified woods. One notable example is the work of a Dutch...described specific occurrences of non-silica petrified wood. Processes of wood petrifaction have largely...report Carbonate-mineralized plants include both petrified wood (Figure 1) and foliar and reproductive remains |  | | Journal (issue) | ~ ce LibrafY Oft,c,al A AUG 2 5 1947 Journal \agaz1ne of the Rocks and ""•nef"a ls Assoc1a t1on...Ccrn"'all. Sol,d m,>GOETHITE. lron"ocd, M,ch. Small bot1yo1dal w silk, lus...OBSERVATIONS UPON MATTERS GEOLOGICAL, BY AN AMATEUR, IN EGYPT. By Claude H. Barlow .... 703 AN UNUSUAL OcCURENCE............................. :................735 EAST TO WEST AFTER CUTTING MATERIAL. By Jean E. Wells...OBSERVATIONS UPON MATTERS GEOLOGICAL, BY A N AMATEUR, IN EGYPT. 1 By CLAUDE H. BARLOW , M.D., Sc.D. ~ily :nun |  | | Report (issue) | | quarries in the northern Faiyum quarry landscape, Egypt: a geo-archaeological case study Tom Heldal, Elizabeth...of Gerasa (Jarash), Jordan Nizar Abu-Jaber, Ziad al Saad and Nihad Smadi ..............................77 Granite quarry survey in the Aswan region, Egypt: shedding new light on ancient quarrying Adel Kelany...perspectives and a case study at the Aswan West Bank, Egypt Tom Heldal .......................................database of ancient stone quarry landscapes in Egypt Azza Shawarby, Elshaimaa Fathy, Marwa Sadek, Naguib |  | | Report (issue) | | Formation and Adjacent Rocks, Fayum Depression, Egypt U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 1452...northwest of the Qasr el Sagha Temple, Fayum Province, Egypt. Geology and Paleoenvironment of the Oligocene...Formation and Adjacent Rocks, Fayum Depression, Egypt By THOMAS M. BOWN and MARY U.S. GEOLOGICAL J...Depression of Egypt clarify the alluvial environment and paleogeography of northem Egypt during the Eocene-Oligocene...Formation and adjacent rocks, Fayum Depression, Egypt. (U.S. Geological Survey professional paper ; 1452) |  | Gracheva, Maria, Homonnay, Zoltán, Kovács, Krisztina, Béres, Kende Attila, Biondi, Joăo Carlos, Wenchao, Yu, Kovács Kis, Viktória, Gyollai, Ildikó, Polgári, Márta (2021) Mössbauer characterization of microbially mediated iron and manganese ores of variable geological ages. Ore Geology Reviews, 134. 104124pp. doi:10.1016/j.oregeorev.2021.104124 | Journal (article/letter/editorial) | | conventional diffrac tion methods fail (Kuzmann et al., 1998). Natural Fe oxides and (oxy-) hydroxides...evolution during crystallization of the magma (Cao et al., 2017). A great advantage of Mössbauer spectroscopy...magneti zation orientation (Merkel et al., 2011, Tanczikó et al., 2009) and separate para-, ferro-, ferri-...under the CC BY-NC-ND license M. Gracheva et al. Ore Geology Reviews 134 (2021) 104124 magnetism...estimated (Johnson and Glasby, 1969; Gracheva et al., 2017). The possibility of applying different values |  | | Journal (article/letter/editorial) | | geosciences Article Origin of Petrified Wood Color George Mustoe 1, * and Marisa Acosta 2 1 2 * Geology...complex color patterns. However, the origin of petrified color has received little scientific attention...void spaces, and oxidation/reduction. Keywords: petrified wood; transition elements; trace elements; ICP...depending on the hematite concentration. Similarly, goethite may produce tints that range from pale yellow...and beige zones in a single specimen from Petrified Forest National Park, Arizona, USA [11]. Daniels |  | | Book | | the geology of North Africa, this book deals with Egypt, Libya, Algeria, Tunisia and Morocco. In great detail... who are working in North Africa and the Middle East. It is ideally suited for any professional who is...expanded and revised version of ‘The Geology of Egypt and Libya’ by the same author (Balkema, 2001). Ed...based in Calgary, Alberta, Canada. Educated in Egypt, Scotland and Canada and specialized as an applied...number of consulting and major oil companies in Egypt, Canada, Libya, Argentina and other countries. With |  | | Journal (article/letter/editorial) | | 1989; Dubiel, 1987, 1989a, 1989b, 1994; Weissmann et al., 2007) with a drainage basin that encompassed most...inferred to span most of the Late Triassic (Stewart et al., 1972; Litwin, 1986; Lucas and Hunt, 1992; Hunt...1993b; Steiner and Lucas, 2000; Lucas et al., 2003, 2005; Riggs et al., 2003). The global-scale changes in...Triassic strata on regional and global scales (Olsen et al., 2009; Lucas, 2010a). One means of correlating diverse...1972; Bazard and Butler, 1989, 1991; Molina-Garza et al., 1991, 1993, 1996, 1998a, 1998b, 2003; Steiner and |  | | Journal (article/letter/editorial) | | barite, calcite, and gypsum are found along with petrified wood and agate. The middle third of the state...where the sediments have MICHAEL J. GOBLA 19055 East Bethany Place Aurora, Colorado 80013 gobla@copper...(microcrystals of varying color), thorite (Staatz et al. 1979). Browns Lake mine, Rock Creek district, sec... cuprotungstite, epidote* (crystals to 7 cm), goethite, hematite, molybdenite, pyrite, pyrrhotite, rutile...Bryant district, sec. 2, T. 3 S., R. 11 W. On the east slope of Lion Mountain: aurichalcite, azurite, bayldonite |  | | Book | | particularly in Greece, Turkey, Cyprus, Israel, Jordan, Egypt, Tunisia, North America, and China. Many of these...materials excavated in Greece, Turkey, Cyprus, Israel, Egypt, Tunisia, China, and North America. The word “lithology”...the Middle Ages . . . . . . . . . . . . . 13 1.2 Al-Biruni, author of the Book of Precious Stones, was...knife with carved ivory handle, Gerzean period, Egypt . . . . . . . . . . . 72 4.4 Chert Levallois core...6 Predynastic chert blade from Tel Edfu, Upper Egypt . . . . . . . . . . . . . . . . . . . 77 4.7 Predynastic |  | | Journal (article/letter/editorial) | | as: E.A. Pettitt, D.J. Cherniak, M.F. Schaller, et al., Diffusive retention of carbon and nitrogen in a...2020 Published by Elsevier. Pre-proof Pettitt et al.: Diffusive retention of C Journal and N in chert...microcrystalline quartz (<5 m)-dominated chert from the Petrified Forest National Park, known to be ca. 215 million...Diffusion laws for nitrogen and re carbon in the Petrified Forest chert were determined using both in-diffusion...quadrupole mass spectrometry Pre-proof Pettitt et al.: Diffusive retention of C Journal and N in chert |  | | Book | | sandstone landscapes e forests turned to stone—petrified wood and other life forms ® caves and cavern formations—all...Rentchler, Rosemary Luxton, Billie Casey, Loretta Cannon, Al Walters, and many other collectors, curators, and...apt to forget that a fine specimen of colorful petrified wood, a pyritized brachiopod, or a silicified...collections of polished thundereggs, slabs of agate or petrified wood, polished gemstones in either cabochon or...California. There was also a very productive find east of Bishop, Inyo County, California, as well as at |  | | Book | | quartz agate, opal wood — collectors. The petrified gems throughout the world is discussed, followed...other quartz varieties such as the opal, and petrified wood; and to give him the most complete information...the same Society, supplied many photographs of petrified wood from many localities. Several other club...Glossary of Opal Terms 54 Wood 62 Chapter 6. Petrified Chapter 7. Where Quartz Gems Occur Chapter...(Covering 83 the Provinces from 172 West 172 to East) Mexico 174 Chapter 10. How Chapter 11. | | | Book | | other than agate, opal and its varieties, and petrified wood a great favorite with collectors. The location... Preface not a scientific textbook. It tells all al)out agates bt1t it cloes not tell , except in a ge11eral...Cttiartz varieties st1ch as the opal, jasper, ancl petrified wood; a11d to give l1in1 the most com1Jlete information...to se t clo,vn creclits for help received, and one al,vays fears that the na111e of an in1portant aclviser...same Society, st1ppliecl 1nany pl1otographs of petrified woocl froin 1nany localities. Several other club |  | | Book | | of the mineral to any significant degree. Li, Na, Al and Ti enter solid solution in natural quartz and...Mg and (OH) are also reported. The substitution of Al for Si affects the colour of some quartz varieties...origin the Al content is greater than that found in material from associated pegmatites; Al, Li and H...quartz. One possible mechanism for the entrance of Al ions (or other trivalent ions) would be the substitution...chalcedony is 90-99% silica with some water and Fe and Al oxides as impurities. The higher values of silica |  | | Journal (issue) | | 100 " gem iogly mark name: few , Engl Sh 6.ne at al land Man Inca roya cum few cem: to • the ~ ...intensely mineralized region, north and slightly east of Bogota, the capital of Colombia. Known mines-in...C . Iron Hill, located approximately four miles east of Asheboro, in the southern part of Randolph County...village of Franklinville, approximately four miles east of the mine. The ore was hauled by mule teams. Hoisting...stains of Ghalcopyrite, etc. One-eighth of a mile east of the mine workings, and still on Iron Hill, is |  | | Journal (article/letter/editorial) | | Conkiin Quarry in Lincoln, R . I . for cal cite, goethite and serpentine. NEW JERSEY Member John B . Clark...Wertz Reporter PETRIFIED FOREST BEING S L O W L Y HAULED A W A Y T h e Petrified Forest National Park...of stolen rock. But the recaptured part of the forest was only small pebbles compared to the 12 tons...world's biggest and brightest col lection of petrified wood is scattered across the 147 square miles...the National Geographic Society says. T h e stone forest attracted little atten tion until settlers and |  | | Book (volume) | | lie some of the oldest crystalline rocks in the East, both igneous and metamorphic, strongly mineralized...CARTERSVILLE: area barite pitsBarite, Geodes, Goethite, Hematite, Limonite, Iron minerals; area mines...gravelsgemmy chert, quartz pebbles (pastel colors), petrified wood, Pyrite; rd. cuts, banks, cliffsSelenite...to Copperhill, along sides of rd. and adjoining forestStaurolite; NW, at Windy Bluff, areaStaurolite;... JONES COUNTY ROUND OAK, areaagate, jasper, petrified wood. LAMAR COUNTY AREA, old mines and prospectsMica |  | | Journal (article/letter/editorial) | | Holland mine, Washington Camp 22 (petrified wood) Petrified Forest National Park 26 Rosasite Silver Bill...Turquoise Christmas mine, Gila County Dioptase Anthony et al. 1995 2 Gilalite (type locality) Junitoite (type...calcite with small blebs of azurite filling voids in goethite/hematite matrix. Horizontal view is 2.35 meters...district, Gila County Chrysocolla (20) Anthony et al. 1995 17 Glove mine, Santa Cruz County Wulfenite...Thompson 1980 25 Petrified Forest National Park, Apache and Navajo counties Quartz (petrified wood) Anthony |  | | Book (volume) | | 7,242’ this peak is the highest point in America east of the Rocky Mts. Cambrian rocks are exposed as...crystal from the Etta Mine near Keystone on the east side of the Mount Rushmore National Memorial in...hillsides, ridges, cut banks, tributary gravels, etc.petrified wood, wood opal. CORSON COUNTY LITTLE EAGLE:...EAGLE: area ridges, slopes, stream beds, etc. petrified wood, wood opal; along the Grand R. though entire...entire Co., regional banks, breaks, gravels, etc. petrified wood, wood opal. 438 A Location Guide for Rock |  | | Book (edition) | | photos. Price: $2.00. PETRIFIED FOREST TRAILS--by Ransom. A guide to the petrified forests of the United...United States. Describes many localities where petrified wood can be collected. Includes directions to localities...Creek Western Rivers North Umpqua River Sweet Home Forest Oregcn Beach Localities Beaches Map of Oregon Beaches...Willow Creek Opal Harney County Malheur Cave Petrified F::irests U.S. Highway 20 Buchanan Diggings Warm...Hessite Coboltite Lourite llsemonnite Cossiterite Goethite Zeolites Gornierite Epidesmine Tourmaline 36 |  | | Book (volume) | | state. From the Panhandle the land slopes gently east and south to a minimum elevation of less than 350’...age, with the greatest concentrations south and east of the Wichita Mts. and in the central counties...Tillman counties, produces alabaster, agatized and petrified wood, and other quartz family gemstones from regional...gravel bars carry agate, jasp-agate, jasper and petrified wood along with fossil bones and teeth of Pleistocene...COUNTY AREA, Gypsum quarries⎯alabaster, Selenite, petrified wood. ELK CITY, area quarries⎯alabaster, Selenite |
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