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Journal Article
Published: 08 April 2020
Journal of Sedimentary Research (2020) 90 (4): 337–363.
... on the Nordfjorden High was isolated from any source of fluvio-deltaic input, such that detrital material that occurs in this system experienced eolian transport, thus forming a proxy for atmospheric dust loading. We analyzed two intervals, of Moscovian (10 m) and Asselian (27 m) age, at 20 cm resolution...
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Journal Article
Published: 20 February 2020
Environmental and Engineering Geoscience (2020) 26 (1): 29–33.
... to 40 percent should be considered high risk. As indicated by personal air monitoring results (reported greater than the CAL/OSHA PEL of 0.1 f/cc), disturbing this material required dust controls, personal protective equipment, and exposure monitoring to ensure that protective equipment ensembles...
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Journal Article
Published: 20 February 2020
Environmental and Engineering Geoscience (2020) 26 (1): 79–87.
... located within the railway project area ( Figure 5 ). Furthermore, there are abandoned asbestos mines such as the Singokri mine and the Daeheung mine adjacent to the proposed railway track. The local media and environmental lobby groups have raised concerns regarding the generation of dust potentially...
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Journal Article
Published: 20 February 2020
Environmental and Engineering Geoscience (2020) 26 (1): 21–28.
... of asbestos: blueschist/ greenstone metabasalt. The presence of the widespread occurrence of these fibrous amphiboles led to an intensive effort to understand the nature and extent of their presence as well as an intensive dust control and air monitoring effort to protect human health, including...
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Journal Article
Published: 20 February 2020
Environmental and Engineering Geoscience (2020) 26 (1): 99–106.
..., Quarrying, and Surface Mining Operations (ATCM), which provides requirements for the evaluation of naturally occurring asbestos (NOA) on earth-disturbing construction sites ( CARB, 2002 ). When the ATCM is triggered via criterion listed in Section (b)—Applicability, mandatory asbestos-specific dust control...
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Journal Article
Journal: Geology
Published: 17 December 2019
Geology (2020) 48 (3): 247–251.
...Mehrdad Sardar Abadi; Jeremy D. Owens; Xiaolei Liu; Theodore R. Them, II; Xingqian Cui; Nicholas G. Heavens; Gerilyn S. Soreghan Abstract The importance of dust as a source of iron (Fe) for primary production in modern oceans is well studied but remains poorly explored for deep time. Vast dust...
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Journal Article
Journal: Geology
Published: 19 November 2019
Geology (2020) 48 (1): 77–81.
...Qiang Zhang; Qingsong Liu; Andrew P. Roberts; Juan C. Larrasoaña; Xuefa Shi; Chunsheng Jin Abstract Eolian material within pelagic North Pacific Ocean (NPO) sediments contains considerable information about paleoclimate evolution in Asian dust source areas. Eolian signals preserved in NPO sediments...
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Journal Article
Journal: AAPG Bulletin
Published: 15 September 2019
AAPG Bulletin (2019) 103 (9): 2073–2115.
... and dusts, and authigenic minerals mixed in the depocenter (concentration center of the brine pool), which was covered by high-salinity brines, and the depositional environment was anoxic as a result of salinity-based brine stratification. A thick sodium carbonate succession occurred in the depocenter...
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Journal Article
Journal: Elements
Published: 01 December 2018
Elements (2018) 14 (6): 391–396.
... attempting to derive budgets by the simple addition of source contributions. The dry and wet deposition of trace elements by aerosols or rain onto the ocean surface have been prominently demonstrated with the imprint of dust being deposited over the Atlantic ( F ig . 1A ). Aerosols comprise...
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Journal Article
Published: 27 November 2018
Journal of the Geological Society (2019) 176 (2): 209–224.
... and tectonic reconstructions, we are able to provide a quantitative and self-consistent assessment of changes to global potassium feldspar availability. Considerable differences in potassium feldspar availability following meteorite impact events are revealed. Different impact events generated dust containing...
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Journal Article
Journal: Geology
Published: 01 October 2018
Geology (2018) 46 (10): 927–928.
... cause electrostatic levitation of volcanic ash, injecting volcanic particles <500 nm in diameter into the ionosphere, disturbing the atmosphere global electric circuit on timescales of 100 s. The immediate consequence of the injection of charged dust into the ionosphere is a sudden disturbance...
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Journal Article
Journal: Geology
Published: 30 August 2018
Geology (2018) 46 (10): 871–874.
...Zhiwei Xu; Thomas Stevens; Shuangwen Yi; Joseph A. Mason; Huayu Lu Abstract Recent chronological studies have revealed significant site-specific variations in loess sedimentation, which challenge the use of loess deposits as continuous, easily analyzable paleoclimate and dust records. However...
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Journal Article
Journal: Geology
Published: 02 August 2018
Geology (2018) 46 (9): 747–750.
... spatial patterns of ( 234 U/ 238 U) can be found for the sediments in PSAs and the loess on the CLP. When combined with other constraints, the new findings indicate that the CLP loess can be best explained by the mixing of three end-member dust sources on the northwestern transportation trajectory, namely...
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Journal Article
Published: 26 June 2018
Journal of Sedimentary Research (2018) 88 (6): 743–752.
...C. Blaine Cecil; Bruce S. Hemingway; Frank T. Dulong Abstract Among the numerous models that have been suggested for the primary and predominant source of silica for chert, we suggest that eolian dust is worthy of further considerations. Such considerations are supported by the common association...
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Journal Article
Journal: Geology
Published: 15 February 2018
Geology (2018) 46 (4): 307–310.
...Juliane Müller; Oscar Romero; Ellen A. Cowan; Erin L. McClymont; Matthias Forwick; Hirofumi Asahi; Christian März; Christopher M. Moy; Itsuki Suto; Alan Mix; Joseph Stoner Abstract Fertilization of the ocean by eolian dust and icebergs is an effective mechanism to enhance primary productivity...
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Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/SP462.6
EISBN: 9781786203434
... drilled from the tropical glaciers and ice caps discussed here have been analysed for stable isotopes of oxygen (δ 18 O) and concentrations of mineral dust and major ions (fluoride F − , chloride Cl − , sulphate SO 4 2− , nitrate NO 3 − , sodium Na + , ammonium NH 4 + , potassium K + , magnesium Mg 2...
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Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/SP461.1
EISBN: 9781786203427
... to estimate a depth–age relationship at Dome A ( Figs 5 & 6 ). The depth of the ice fabric units at Kunlun is then used to assign estimated ages to the fabric units ( Table 2 ). We also used the stratigraphic connection to Vostok to translate the ice core dust and ΔT records to Dome A ( Fig. 7...
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Journal Article
Published: 01 November 2017
Environmental and Engineering Geoscience (2017) 23 (4): 299–312.
...Bonnie Zwissler; Thomas Oommen; Stan Vitton; Eric A. Seagren Abstract Mining produces massive volumes of mine tailings that are deposited into large-scale mine tailings impoundments. A key environmental objective of managing these large impoundments is mitigating fugitive dust emissions...
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Journal Article
Journal: Geology
Published: 08 August 2017
Geology (2017) 45 (10): 879–882.
...Kana Nagashima; Hirotsugu Nishido; Masahiro Kayama; Yasunori Kurosaki; Syuhei Ohgo; Hitoshi Hasegawa Abstract Although dust from the Asian drylands significantly affects global climate, the provenance of dust transported over a long distance is often uncertain. In this study, we developed a new...
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Journal Article
Journal: Geology
Published: 10 July 2017
Geology (2017) 45 (9): 819–822.
..., they provide a known geological context for the samples and their analyses. Asteroid 25143 Itokawa is a rubble-pile asteroid consisting of reaccumulated fragments from a catastrophically disrupted monolithic parent asteroid, and from which regolith dust particles have been recovered by the Hayabusa space probe...
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