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Journal Article
Journal: GSA Bulletin
Published: 15 April 2019
GSA Bulletin (2019)
... 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, indicating orderly...
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): 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
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
Journal: GSA Bulletin
Published: 15 November 2018
GSA Bulletin (2018) 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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Journal Article
Published: 01 July 2015
The Canadian Mineralogist (2015) 53 (4): 633-641.
...Igor V. Pekov; Natalia V. Zubkova; Dmitry I. Belakovskiy; Inna S. Lykova; Vasiliy O. Yapaskurt; Marina F. Vigasina; Evgeny G. Sidorov; Dmitry Yu. Pushcharovsky A new mineral sanguite, KCuCl 3 , is found in the Glavnaya Tenoritovaya fumarole at the Second scoria cone of the Northern Breakthrough...
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Journal Article
Journal: Geology
Published: 01 June 2015
Geology (2015) 43 (6): 551-554.
... and eruptive style from the Auckland Volcanic Field (New Zealand), and we suggest that this provides a general model for small-scale “monogenetic” magmatic systems globally. Small volcanic centers consistently take the form of nephelinitic tuff rings and scoria cones, whereas larger centers are produced from...
FIGURES
Series: Geological Society, London, Special Publications
Published: 01 January 2015
DOI: 10.1144/SP422.4
EISBN: 9781862397460
... and synthetic minerals, used as standards, were calibrated within 2% at 2σ standard deviation. Raw data were corrected applying a Phi–Rho–Z quantitative analysis program. Fluid inclusions were studied in 17 lava flow and scoria samples. About 1–2 kg of each sample was coarsely crushed with a jaw crusher...
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Journal Article
Published: 01 December 2014
Mineralogical Magazine (2014) 78 (7): 1553-1569.
...I. V. Pekov; N. V. Zubkova; V. O. Yapaskurt; D. I. Belakovskiy; M. F. Vigasina; E. G. Sidorov; D. Yu. Pushcharovsky Abstract Two new minerals, ericlaxmanite and kozyrevskite, dimorphs of Cu 4 O(AsO 4 ) 2 , were found in sublimates of the Arsenatnaya fumarole at the Second scoria cone...
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Journal Article
Published: 01 November 2014
Journal of the Geological Society (2014) 171 (6): 765-778.
... m in stratigraphic log 2 to less than 15 m in stratigraphic log 6 ( Fig. 4 ). A crude stratification can be identified in some of the deposits (stratigraphic logs 2 and 6; Fig. 4 ), as well as enrichment of scoria bombs (stratigraphic log 2; Figs 4 and 5i ). A general increase in the content...
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Journal Article
Journal: Geosphere
Published: 01 October 2014
Geosphere (2014) 10 (5): 998-1019.
...Audray Delcamp; Benjamin van Wyk de Vries; Petit Stéphane; Matthieu Kervyn Abstract The monogenetic Lemptégy volcano in the Chaîne des Puys (Auvergne, France) was quarried from 1946 to 2007 and offers the possibility to study scoria cone architecture and evolution. This volcano was originally 50–80...
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Journal Article
Journal: Geology
Published: 01 October 2014
Geology (2014) 42 (10): 863-866.
... in these events in the past 10 years is less than 1% of the total mass erupted by the volcano. Crystal size distributions (CSDs) and total crystallinity of scoria were measured with conventional image analysis techniques on thin sections cut from clasts selected from those measured for density. Two-dimensional...
FIGURES
Journal Article
Journal: GSA Bulletin
Published: 01 September 2014
GSA Bulletin (2014) 126 (9-10): 1164-1180.
...) during A.D. 1672–1673 and more recently in A.D. 1957–1958. The other exposed volcanic products of the peninsula are so far loosely dated within the Holocene. Here, we present a successful attempt to correlate scoria cones and lava flows yielded by the same eruption on the Capelo Peninsula using...
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