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Relevant bibliographies by topics / Magma chamber dynamics

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Journal articles

Academic literature on the topic 'Magma chamber dynamics'

Author: Grafiati

Published: 10 March 2023

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Journal articles on the topic "Magma chamber dynamics"

1

Segall, Paul. "Magma chambers: what we can, and cannot, learn from volcano geodesy." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 377, no. 2139 (2019): 20180158. http://dx.doi.org/10.1098/rsta.2018.0158.

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Geodetic observations on volcanoes can reveal important aspects of crustal magma chambers. The rate of decay of deformation with distance reflects the centroid depth of the chamber. The amplitude of the deformation is proportional to the product of the pressure change and volume of the reservoir. The ratio of horizontal to vertical displacement is sensitive to chamber shape: sills are efficient at generating vertical displacement, while stocks produce more horizontal deformation. Geodesy alone cannot constrain important parameters such as chamber volume or pressure; furthermore, kinematic mode

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2

Townsend, Meredith, and Christian Huber. "A critical magma chamber size for volcanic eruptions." Geology 48, no. 5 (2020): 431–35. http://dx.doi.org/10.1130/g47045.1.

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Abstract We present a model for a coupled magma chamber–dike system to investigate the conditions required to initiate volcanic eruptions and to determine what controls the size of eruptions. The model combines the mechanics of dike propagation with internal chamber dynamics including crystallization, volatile exsolution, and the elastic response of the magma and surrounding crust to pressure changes within the chamber. We find three regimes for dike growth and eruptions: (1) below a critical magma chamber size, eruptions are suppressed because chamber pressure drops to lithostatic before a di

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3

Huppert, Herbert E., and Andrew W. Woods. "The role of volatiles in magma chamber dynamics." Nature 420, no. 6915 (2002): 493–95. http://dx.doi.org/10.1038/nature01211.

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4

Carrigan, Charles R., and Randall T. Cygan. "Implications of magma chamber dynamics for Soret-related fractionation." Journal of Geophysical Research 91, B11 (1986): 11451. http://dx.doi.org/10.1029/jb091ib11p11451.

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5

Asmerom, Yemane, S. Andrew DuFrane, Samuel B. Mukasa, Hai Cheng, and R. Lawrence Edwards. "Time scale of magma differentiation in arcs from protactinium-radium isotopic data." Geology 33, no. 8 (2005): 633–36. http://dx.doi.org/10.1130/g21638ar.1.

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Abstract Absolute chronology of magma differentiation processes has been a long-desired goal, given its importance in understanding magma chamber dynamics and its connection to a fundamental understanding of the style and frequency of volcanic eruptions. Broad estimates of the duration of magma differentiation and overall crustal residence times have been made based on a variety of indirect approaches, such as physical models of magma chamber cooling, rates of crystal growth and settling, and long-lived radiogenic isotopes. In contrast, combined 231Pa-235U data may provide a robust measure of

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6

Sigmarsson, O., I. Vlastelic, R. Andreasen, et al. "Remobilization of silicic intrusion by mafic magmas during the 2010 Eyjafjallajökull eruption." Solid Earth 2, no. 2 (2011): 271–81. http://dx.doi.org/10.5194/se-2-271-2011.

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Abstract. Injection of basaltic magmas into silicic crustal holding chambers and subsequent magma mingling or mixing is a process that has been recognised since the late seventies as resulting in explosive eruptions. Detailed reconstruction and assessment of the mixing process caused by such intrusion is now possible because of the exceptional time-sequence sample suite available from the tephra fallout of the 2010 summit eruption at Eyjafjallajökull volcano in South Iceland. Fallout from 14 to 19 April contains three glass types of basaltic, intermediate, and silicic compositions recording ra

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7

Vestergaard, Rikke, Gro Birkefeldt Møller Pedersen, and Christian Tegner. "The 1845–46 and 1766–68 eruptions at Hekla volcano: new lava volume estimates, historical accounts and emplacement dynamics." JOKULL 70 (April 8, 2021): 35–56. http://dx.doi.org/10.33799/jokull2020.70.035.

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We use new remote sensing data, historical reports, petrology and estimates of viscosity based on geochemical data to illuminate the lava emplacement flow-lines and vent structure changes of the summit ridge of Hekla during the large eruptions of 1845–46 and 1766–68. Based on the planimetric method we estimate the bulk volumes of these eruptions close to 0.4 km3 and 0.7 km3, respectively. However, comparison with volume estimates from the well-recorded 1947–48 eruption, indicates that the planimetric method appears to underestimate the lava bulk volumes by 40–60%. Hence, the true bulk volumes

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8

Utkin, I. S., O. E. Mel’nik, A. A. Afanas’ev, and Yu D. Tsvetkova. "Effect of Quartz Deposition on the Dynamics of Magma Chamber Degassing." Moscow University Mechanics Bulletin 73, no. 6 (2018): 129–34. http://dx.doi.org/10.3103/s0027133018060018.

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9

Mollo, Silvio, Flavio Di Stefano, and Francesca Forni. "Editorial for the Special Issue “Mineral Textural and Compositional Variations as a Tool for Understanding Magmatic Processes”." Minerals 11, no. 2 (2021): 102. http://dx.doi.org/10.3390/min11020102.

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This Special Issue of Minerals collects seven different scientific contributions highlighting how magma chamber processes and eruption dynamics studied either in the laboratory or in nature may ultimately control the evolutionary histories and geochemical complexities of igneous rocks [...]

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10

Marsh, Bruce D. "Solidification fronts and magmatic evolution." Mineralogical Magazine 60, no. 398 (1996): 5–40. http://dx.doi.org/10.1180/minmag.1996.060.398.03.

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AbstractFrom G. F. Becker's and L. V. Pirsson's early enunciations linking the dynamics of magma chambers to the rock records of sills and plutons to this day, two features stand at the centre of nearly every magmatic process: solidification fronts and phenocrysts. The structure and behaviour of the envisioned solidification front, however, has been mostly that akin to non-silicate, non-multiply-saturated systems, which has led to confusion in appreciating its role in magmatic evolution. The common habit of intruding magmas to carry significant amounts of phenocrysts, which can lead to efficie

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