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all geography including DSDP/ODP Sites and Legs
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Africa
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metals
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fossils
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halides
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orthosilicates
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sheet silicates
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clay minerals
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illite (1)
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mica group
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glauconite (1)
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palygorskite (1)
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sulfates
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alunite (1)
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vanadates
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carnotite (1)
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Primary terms
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Africa
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Nile River (1)
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North Africa
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Algeria (1)
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Egypt
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Bahariya Oasis (2)
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Morocco (1)
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Tunisia (1)
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Western Sahara (1)
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Sahara (1)
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Southern Africa
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Namibia (1)
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Antarctica
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Queen Maud Land
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Sor-Rondane Mountains (1)
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Asia
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Arabian Peninsula
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Kuwait (1)
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Oman
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Oman Mountains (2)
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Far East
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China (1)
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Middle East
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carbon
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Caribbean region
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Antilles
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Cenozoic
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Tertiary
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Paleogene
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Eocene
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Oligocene
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upper Oligocene (1)
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upper Tertiary (1)
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Chordata
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Vertebrata
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Pisces
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Chondrichthyes
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Elasmobranchii
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Selachii (1)
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Tetrapoda
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Theria
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isotopes
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stable isotopes
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Fe-56 (1)
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chromium
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iron
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lead (1)
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metamorphic rocks
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sand (2)
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soils
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United States
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1-20 OF 43 RESULTS FOR
Hamra soils
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Journal Article
An Assimilated Time Domain Reflectometry Probe
Journal: Vadose Zone Journal
Publisher: Soil Science Society of America
Published: 01 December 2015
Vadose Zone Journal (2015) 14 (12): vzj2014.06.0086.
..., leads to a far-from-uniform distribution of the dielectric permittivity around the probe. A laboratory experiment was conducted, comparing wall-embedded TDR (wall probe [WP]) measurements with those of a regular TDR probe (standard probe [SP]). Five different soils were examined (sand, “Hamra” [red...
Journal Article
GPS Measured Response of a Tall Building due to a Distant M w 7.3 Earthquake
Thomas Herring, Chen Gu, M. Nafi Toksöz, Jafarali Parol, Abdullah Al‐Enezi, Farah Al‐Jeri, Jamal Al‐Qazweeni, Hasan Kamal, Oral Büyüköztürk
Journal: Seismological Research Letters
Publisher: Seismological Society of America
Published: 24 October 2018
Seismological Research Letters (2019) 90 (1): 149–159.
... with the seismic motions being greatly amplified with the increasing height of the buildings ( Shakal et al. , 1996 ; Çelebi and Liu, 1998 ; Çelebi et al. , 2014 ). In this article, we show the Global Positioning System (GPS) measured response of the tallest building in Kuwait, the Al‐Hamra Tower, to the 12...
Includes: Supplemental Content
Journal Article
Authigenic halloysite from El-Gideda iron ore, Bahria Oasis, Egypt: characterization and origin
Journal: Clay Minerals
Published: 01 June 2004
Clay Minerals (2004) 39 (2): 207–217.
..., five of which are equivalent to the Lutetian ore, whereas the uppermost type is related to the alteration of the overlying glaucony facies of Hamra Formation. This work aims to illustrate the mineralogical and geochemical characteristics of the authigenic halloysite pockets that have been found...
Journal Article
Groundwater Recharge through Vertisols: Irrigated Cropland vs. Natural Land, Israel All rights reserved. No part of this periodical may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or any information storage and retrieval system, without permission in writing from the publisher.
Journal: Vadose Zone Journal
Publisher: Soil Science Society of America
Published: 01 May 2011
Vadose Zone Journal (2011) 10 (2): 662–674.
... Aquifer can be generally classified into three types: Grumosol clays (44% of area), Hamra loamy sand to loam (39%), and dune sands along the coast (17%, Fig. 1 ). Grumosols are brown to gray alluvial soils, classified as Vertisols, specifically Chromic Haploxererts ( Soil Survey Staff, 1999...
Journal Article
Evolution of an Upper Pleistocene aeolianite in the northern Mediterranean (Liguria, NW Italy)
Marta Pappalardo, Alessandro Chelli, Andrea Ciampalini, Ivano Rellini, Federica Biagioni, Helmut Brückner, Alexander Fülling, Marco Firpo
Journal: Italian Journal of Geosciences
Publisher: Societa Geologica Italiana
Published: 01 June 2013
Italian Journal of Geosciences (2013) 132 (2): 290–303.
... ) formation are more common compared to the overlying layers, where cement tends to be mainly of the meniscus-type ( fig. 5d ). The layers of sandstones placed in the highest part of this unit show evident remnants of truncated fersiallitic red soil ( D uchaufour , 1982 ), containing abundant rhizoliths...
Journal Article
Numerical Analysis of Transport of Interacting Solutes in a Three-Dimensional Unsaturated Heterogeneous Soil
Journal: Vadose Zone Journal
Publisher: Soil Science Society of America
Published: 01 November 2004
Vadose Zone Journal (2004) 3 (4): 1286–1299.
..., 1992 ) and are summarized in Tables 1 and 2 . The soil in this site is a Hamra Red Mediterranean soil (Rhodoxeralf) whose clay fraction is dominated by montmorillonite. Inasmuch the sampling scheme for CEC, A s , and ρ b in this site ( Naor, 1987 ) was not adequate to evaluate the spatial...
Journal Article
Analyses of patterns of copper and lead mineralization in human skeletons excavated from an ancient mining and smelting centre in the Jordanian desert: a reconnaissance study
Journal: Mineralogical Magazine
Published: 01 October 2005
Mineralogical Magazine (2005) 69 (5): 653–666.
... sediments-soils excavated from graves of Byzantine age, 4 th –7 th centuries A.D., in the Wadi Faynan in the Jordanian Desert, examines the extent to which the geochemistry of human skeletal remains, and in particular of long bones, may reflect exposure during life to metal pollution from intense...
Journal Article
Tertiary–Quaternary faulting and uplift in the northern Oman Hajar Mountains
Journal: Journal of the Geological Society
Publisher: Geological Society of London
Published: 01 September 2005
Journal of the Geological Society (2005) 162 (5): 871–888.
... scale) allochthonous limestone blocks known as the ‘Oman Exotics’ are also incorporated into mélange zones within the Hawasina nappes. These form light coloured, erosionally resistant cuestas including Jabal Kawr and several smaller mountains south of Al Hamra ( Fig. 3 ). South and SW of the belt...
Journal Article
A LATE QUATERNARY PALEOENVIRONMENTAL SEQUENCE FROM DOR, CARMEL COASTAL PLAIN, ISRAEL
Journal: Palynology
Publisher: AASP -The Palynological Society
Published: 01 January 2004
Palynology (2004) 28 (1): 143–157.
... . Journal of the Israel Prehistoric Society , 29 : 17 – 40 . GVIRTZMAN , G. , NETSER , M. , and KATSAV , E. 1998 Last-Glacial to Holocene kurkar ridges, hamra soils and dune fields in the coastal belt of central Israel . Israel Journal of Earth Sciences , 47 : 29 – 46 HENRY...
Journal Article
Lunar Meteorites
Katherine H. Joy, Juliane Gross, Randy L. Korotev, Ryan A. Zeigler, Francis M. McCubbin, Joshua F. Snape, Natalie M. Curran, John F. Pernet-Fisher, Tomoko Arai
Publisher: Mineralogical Society of America
Published: 01 December 2023
Reviews in Mineralogy and Geochemistry (2023) 89 (1): 509–562.
..., Botswana (20° 58′ 54″S, 22° 58′ 36″E) Lunar (basalt) 13.5 kg La’gad 2015 Saguia el Hamra, Western Sahara (27° 25′ 33″N, 8° 44′ 36″W) Lunar (feldsp. breccia) 338 g La’gad 003 2015 Saguia el Hamra, Western Sahara (27° 36′ 22″N, 8° 45′ 40″W) Lunar (feldsp. breccia) 27.25 kg Lahmada...
Journal Article
Late Oligocene monsoonal climate in the Lunpola Basin, central Tibetan Plateau: evidence from palaeosol records
Journal: Journal of the Geological Society
Publisher: Geological Society of London
Published: 13 December 2023
Journal of the Geological Society (2024) 181 (1): jgs2023-045.
..., central Tibetan Plateau is an ideal material for addressing the issue. Observations of various climatic indicators suggest that these palaeosols were forest cinnamon soils, as shown by the compound Bt and Bk horizons, abundant clay coatings and carbonate nodules, and the diagnostic chemical composition...
Journal Article
Inclusions in calcite phantom crystals suggest role of clay minerals in dolomite formation
Stefan Farsang, Péter Pekker, Giulio I. Lampronti, Zsombor Molnár, Rastislav Milovský, Mihály Pósfai, Daniel Ozdín, Timothy D. Raub, Simon A.T. Redfern
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 July 2022
American Mineralogist (2022) 107 (7): 1369–1377.
... or a phyllosilicate and a carbonate (calcite or dolomite) crystal. Our observations suggest that all inclusions in the terracotta calcite originate from the terra rossa (a common soil type in karstic areas) and limestone outcropping adjacent to the calcite crystals. While the micrometer-sized phyllosilicate...
Journal Article
Constant cosmogenic nuclide concentrations in sand supplied from the Nile River over the past 2.5 m.y.
Journal: Geology
Publisher: Geological Society of America
Published: 01 April 2012
Geology (2012) 40 (4): 359–362.
... of active and buried sediments and that the Amazon has the ability to dampen short-term, high-amplitude fluctuations caused by climatic variability in source areas and anthropogenic soil erosion. In our study, we expand on this idea to the temporal dimension and focus on the concentrations of the cosmogenic...
Journal Article
Development of fault and vein networks in a carbonate sequence near Hayl al-Shaz, Oman Mountains
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 April 2013
GeoArabia (2013) 18 (2): 99–136.
...-Akhdar anticline in the north of Al Hamra. This study is based on high-resolution satellite imagery. The red rectangle indicates the coverage (cf. Holland et al., 2009b ). The central Oman Mountains can be subdivided into four tectono-stratigraphic groups – the Autochthonous A and B...
Journal Article
Formation of saponite by hydrothermal alteration of metal oxides: Implication for the rarity of hydrotalcite
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 August 2019
American Mineralogist (2019) 104 (8): 1156–1164.
... or alkaline soils associated with clay minerals (e.g., serpentine), but it was seldom found in large or commercially useful deposits on the Earth ( Auerbach et al. 2004 ). The rare occurrence of Ht deposits is both puzzling and an unsolved issue. Both experimental and modeling research on the weathering...
Journal Article
Structural geometry, style and timing of deformation in the Hawasina Window, Al Jabal al Akhdar and Saih Hatat culminations, Oman Mountains
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 April 2007
GeoArabia (2007) 12 (2): 99–130.
...., 1974 ). Seismic sections across the foreland show the Hawasina thrust tips extending up into the Fiqa Formation ( Warburton et al., 1990 ; Boote et al., 1990 ). The entire thrust process was completed by 70 Ma (Lower Maastrichtian) when the mountain belt just breached sea-level. Thin laterite soils...
Journal Article
Palygorskite genesis through silicate transformation in Tunisian continental Eocene deposits
Journal: Clay Minerals
Published: 01 June 2003
Clay Minerals (2003) 38 (2): 187–199.
... environments (e.g. Millot, 1964 ; Singer, 1984 ; Velde, 1985 ; Jones & Galán, 1988 , among others). As is known, this fibrous clay is found especially in soils, calcretes and lacustrine deposits and there is general agreement that its formation requires alkaline conditions, high Si and Mg activity...
Journal Article
On Probability Distribution of Hydraulic Conductivity in Variably Saturated Bimodal Heterogeneous Formations All rights reserved. No part of this periodical may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or any information storage and retrieval system, without permission in writing from the publisher
Journal: Vadose Zone Journal
Publisher: Soil Science Society of America
Published: 01 August 2009
Vadose Zone Journal (2009) 8 (3): 611–622.
... 1 ) or 0 (if z = z 2 ) with probabilities P and (1 − P ), respectively, and z 1 and z 2 denote two different types of the same attribute that coexist in the same domain. For example, consider the Hamra Red Mediterranean soil (a Rhodoxeralf) ( Russo and Bresler, 1981 ), whose...
Journal Article
Interesting Papers in Other Journals
Journal: Economic Geology
Publisher: Society of Economic Geologists
Published: 01 June 2022
Economic Geology (2022) 117 (4): 971–977.
..., Demet Kiran Yildirim, Zeynep Doner, and Amr Abdelnasser article 125802 Geochemical modeling of soils and technogenic sediments interactions with natural waters using SELECTOR software (Chaabet-el-Hamra mine, Algeria) Valeriy Bychinsky, Marina Charykova, and Rima Omara article 125799 Introducing a new...
Journal Article
Evidence of Unconformity at Top of Trenton Limestone in Indiana and Adjacent States
Journal: AAPG Bulletin
Publisher: American Association of Petroleum Geologists
Published: 01 March 1966
AAPG Bulletin (1966) 50 (3): 533–546.
... surface, however, does not prove absence of erosion, as the existence of many plateau regions at the present instant of geologic time indicate. For example, the Hamada el Hamra of northern Libya, covering thousands of square miles, elevated approximately 1,500-2,000 feet above sea-level and dipping less...
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