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Journal Article
Journal: Economic Geology
Published: 01 March 2020
Economic Geology (2020) 115 (2): 279–301.
... and Cigolini, 2006 ). This eruption style has been consistent for the last 14,000 to 18,000 years ( Rosi et al., 2000 ). Métrich et al. (2001 , 2010 ) proposed a model wherein the crystal-rich, degassed basaltic scoria is ejected in strombolian and effusive eruptions from an actively degassing magma...
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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
... data from Pietruszka and Garcia (1999) were MgO-normalized using major-element compositions from Garcia et al. (2003) ; 1965–1968 data, and 1983–2013 east rift zone (ERZ) data, are from Thornber et al. (2015) . Data from this study include: Koa‘e scoria and spatter samples of unknown age (S12-57...
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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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Journal Article
Published: 01 August 2017
Mineralogical Magazine (2017) 81 (4): 1001–1008.
...Igor V. Pekov; Vasiliy O. Yapaskurt; Dmitry I. Belakovskiy; Marina F. Vigasina; Natalia V. Zubkova; Evgeny G. Sidorov Abstract The new mineral pharmazincite, KZnAsO 4 , was found in sublimates of the Arsenatnaya fumarole at the Second scoria cone of the Northern Breakthrough of the Great Tolbachik...
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Journal Article
Published: 01 April 2017
American Mineralogist (2017) 102 (4): 711–719.
...Huifang Xu; Seungyeol Lee; Hongwu Xu Abstract Luogufengite, Al-bearing ε-Fe 2 O 3 , is a new member of Fe 2 O 3 polymorphs discovered in late Pleistocene basaltic scoria from the Menan Volcanic Complex nearby Rexburg, Idaho. It is an oxidation product of Fe-bearing basaltic glass at high...
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Journal Article
Published: 01 June 2016
Mineralogical Magazine (2016) 80 (4): 639–646.
...Igor V. Pekov; Vasiliy O. Yapaskurt; Sergey N. Britvin; Natalia V. Zubkova; Marina F. Vigasina; Evgeny G. Sidorov Abstract A new mineral katiarsite, ideally KTiO(AsO 4 ), occurs in sublimates of the Arsenatnaya fumarole at the Second scoria cone of the Northern Breakthrough of the Great Tolbachik...
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Journal Article
Journal: GSA Bulletin
Published: 01 September 2015
GSA Bulletin (2015) 127 (9-10): 1485–1504.
... caldera has included phreatic to phreatomagmatic explosions and both magmatic (ranging from small scoria-producing events to those with Plinian columns) and effusive eruptions. These eruptions have formed tuff cones, tuff rings, minor scoria cones, and lava domes. A detailed stratigraphic, structural...
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