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scoria

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Series: Geological Society, London, Special Publications
Published: 11 October 2021
DOI: 10.1144/SP510-2020-60
EISBN: 9781786209979
... The current scoria cone lies above the weathered clay layer mantling the earlier scoria cone, and it forms the bulk of the cone of the JLDZ volcano seen today, with a basal diameter of c. 2 km. Overlying the current scoria cone is the spatter cone, which has a bottom diameter of c. 1 km...
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Series: Geological Society, London, Memoirs
Published: 27 May 2021
DOI: 10.1144/M55-2018-59
EISBN: 9781786209863
... by basanites–phonotephrites and alkali basalts–tholeiites ( Smellie 1987 ; Hole et al. 1995 ). The outcrops include a variety of volcanic landforms including scoria cones, tuff cones and tuyas, and some outcrops are dominated by dykes. The eruptive environments varied from subaerial to subglacial. Fig...
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Journal Article
Published: 30 June 2020
Mineralogical Magazine (2020) 84 (5): 691–698.
...Stanislav K. Filatov; Andrey P. Shablinskii; Sergey V. Krivovichev; Lidiya P. Vergasova; Svetlana V. Moskaleva Abstract Petrovite, Na 10 CaCu 2 (SO 4 ) 8 , is a new sulfate mineral discovered on the Second scoria cone of the Great Tolbachik fissure eruption. The mineral occurs as globular...
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Journal Article
Published: 01 May 2020
Russ. Geol. Geophys. (2020) 61 (5-6): 600–610.
... inclusions. The study of melt inclusions included several steps: (1) selection of representative olivine grains with melt inclusions from the >0.5 mm fraction of basaltic scoria from the Karymsky Volcano ( Tobelko et al., 2019 ; sample K6-06); (2) high-temperature experiment on melting of daughter...
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Journal Article
Journal: Economic Geology
Published: 01 March 2020
Economic Geology (2020) 115 (2): 279–301.
... and chloride sublimates not previously characterized in active volcanic systems. The vesicle-hosted Cu-Sn-Co alloys provide significant new data on metal transport and precipitation from high-temperature magmatic vapors. We anticipate that they will be widely recognized in mafic lavas and scoria elsewhere...
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Journal Article
Published: 30 November 2019
The Canadian Mineralogist (2019) 57 (6): 885–901.
... , the high-temperature hexagonal dimorph of thénardite, a natural analogue of the synthetic phase Na 2 SO 4 (I), was found in the sublimates of active fumaroles at the Second scoria cone of the Northern Breakthrough of the Great Tolbachik Fissure eruption, Tolbachik volcano, Kamchatka, Russia. The holotype...
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Journal Article
Published: 04 November 2019
Mineralogical Magazine (2020) 84 (2): 283–287.
... in the Yadovitaya fumarole of the Second scoria cone of the North Breach of the Great Tolbachik Fissure Eruption (1975–1976), Tolbachik volcano, Kamchatka Peninsula, Russia. Koryakite occurs as a product of fumarolic activity and closely associates with euchlorine and langbeinite. Koryakite is trigonal, R $\bar{3...
FIGURES
Journal Article
Published: 01 September 2019
American Mineralogist (2019) 104 (9): 1238–1245.
...Seungyeol Lee; Huifang Xu; Hongwu Xu; Ryan Jacobs; Dane Morgan Abstract Valleyite, Ca 4 (Fe,Al) 6 O 13 , is a new sodalite-type mineral discovered in late Pleistocene basaltic scoria from the Menan Volcanic Complex near Rexburg, Idaho, U.S.A. It is an oxidation product of basaltic glass during...
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Journal Article
Published: 24 June 2019
Mineralogical Magazine (2019) 83 (5): 749–755.
...Oleg I. Siidra; Evgeny V. Nazarchuk; Anatoly N. Zaitsev; Yury S. Polekhovsky; Thomas Wenzel; John Spratt Abstract Dokuchaevite, ideally Cu 8 O 2 (VO 4 ) 3 Cl 3 , was found in the Yadovitaya fumarole of the Second scoria cone of the North Breach of the Great Tolbachik Fissure Eruption (1975–1976...
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Journal Article
Published: 24 June 2019
Mineralogical Magazine (2019) 83 (6): 847–853.
...Oleg I. Siidra; Evgeny V. Nazarchuk; Atali A. Agakhanov; Yury S. Polekhovsky Abstract Aleutite, ideally [Cu 5 O 2 ](AsO 4 )(VO 4 )·(Cu 0.5 □ 0.5 )Cl, was found in the Yadovitaya fumarole of the Second scoria cone of the Great Fissure Tolbachik eruption, Kamchatka Peninsula, Russia. Aleutite occurs...
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Journal Article
Published: 31 May 2019
Mineralogical Magazine (2019) 83 (6): 879–886.
...Igor V. Pekov; Inna S. Lykova; Atali A. Agakhanov; Dmitry I. Belakovskiy; Marina F. Vigasina; Sergey N. Britvin; Anna G. Turchkova; Evgeny G. Sidorov; Katharina S. Scheidl Abstract The new mineral zubkovaite, Ca 3 Cu 3 (AsO 4 ) 4 , was found in the Arsenatnaya fumarole at the Second scoria cone...
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Journal Article
Journal: GSA Bulletin
Published: 15 April 2019
GSA Bulletin (2019) 131 (9-10): 1537–1554.
... wall-rock clasts (Episode 1) and dominantly scoria (Episode 2; VEI-3) across >65 km 2 southeast of the summit. Dense 12 cm blocks of Episode 1 fell 8–10 km from the summit vent, and 2–4 cm lithic lapilli reached the coastline, 17 km from the vent. The Episode 2 deposit is chemically zoned...
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Series: GSA Special Papers
Published: 07 February 2019
DOI: 10.1130/2018.2538(11)
EISBN: 9780813795386
... TABLE 1A. X-RAY FLUORESCENCE (XRF) WHOLE-ROCK ANALYSES OF KOA‘E SCORIA AND OTHER KĪLAUEA SAMPLES PERTINENT TO ESTIMATING ITS AGE TABLE 1B. X-RAY FLUORESCENCE (XRF) WHOLE-ROCK ANALYSES OF KOA‘E SCORIA AND OTHER KĪLAUEA SAMPLES PERTINENT TO ESTIMATING ITS AGE TABLE 2...
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Journal Article
Journal: Economic Geology
Published: 01 February 2019
Economic Geology (2019) 114 (1): 35–46.
... vesicles in the massive ores and the magnetite scoriae, previously interpreted as compelling evidence of volcanic structures, are demonstrated to be the residual pore spaces formed after interstitial phases between magnetite grains were removed by postmagmatic hydrothermal fluids and the accumulated debris...
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Journal Article
Published: 01 December 2018
Mineralogical Magazine (2018) 82 (6): 1243–1251.
...Andrey P. Shablinskii; Stanislav K. Filatov; Lidyua P. Vergasova; Eugeniya Yu. Avdontseva; Svetlana V. Moskaleva ABSTRACT The new mineral wrightite, K 2 Al 2 O(AsO 4 ) 2 , was found in 1983 at a fumarole on the Second scoria cone, Northern Breakthrough, Great Fissure eruption, Tolbachik volcano...
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Journal Article
Published: 01 December 2018
Mineralogical Magazine (2018) 82 (6): 1233–1241.
...Evgeny V. Nazarchuk; Oleg I. Siidra; Atali A. Agakhanov; Evgeniya A. Lukina; Evgeniya Y. Avdontseva; Gennady A. Karpov ABSTRACT Itelmenite, ideally Na 2 CuMg 2 (SO 4 ) 4 , was found in a fumarole of the Naboko scoria cone of the Tolbachik volcano Fissure Eruption (2012–2013), Kamchatka Peninsula...
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Journal Article
Journal: GSA Bulletin
Published: 15 November 2018
GSA Bulletin (2019) 131 (3-4): 661–674.
... an interesting case of highly explosive monogenetic volcanism. Sunset Crater is a young (ca. 1085 CE) scoria cone, ∼290 m high, that produced 0.52 km 3 dense rock equivalent (DRE) of basaltic magma (0.16, 0.12, and 0.24 km 3 DRE for the scoria cone, lava flows, and tephra deposit, respectively). The activity...
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Journal Article
Published: 01 October 2018
Mineralogical Magazine (2018) 82 (5): 1079–1088.
...Oleg I. Siidra; Evgeny V. Nazarchuk; Evgeniya A. Lukina; Anatoly N. Zaitsev; Vladimir V. Shilovskikh ABSTRACT Belousovite, ideally KZn(SO 4 )Cl, was found in a Yadovitaya fumarole of the Second scoria cone of the North Breach of the Great Tolbachik Fissure Eruption (1975–1976), Tolbachik volcano...
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Journal Article
Published: 31 March 2018
The Canadian Mineralogist (2018) 56 (2): 189–201.
... of the Arsenatnaya fumarole on the Second scoria cone of the Northern Breakthrough of the Great Tolbachik Fissure Eruption, Kamchatka, Russia. Chemical variations of johillerite from Tolbachik were studied and the crystal structure was solved for three samples that represent different chemical varieties...
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Journal Article
Published: 28 February 2018
Mineralogical Magazine (2018) 82 (4): 877–888.
... fumarole at the Second scoria cone of the Northern Breakthrough of the Great Tolbachik Fissure Eruption, Tolbachik volcano, Kamchatka, Russia. It is associated closely with johillerite, tilasite, anhydrite, hematite, fluorophlogopite, cassiterite, calciojohillerite, aphthitalite and fluoborite...
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