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Morphology and structure of the 1999 lava flows at Mount Cameroon Volcano (West Africa) and their bearings on the emplacement dynamics of volume-limited flows

C Emmanuel Suh, SA Stansfield, RSJ Sparks, MS Njome, Mabel Nechia Wantim UGent and Gerald Ernst UGent (2011) GEOLOGICAL MAGAZINE. 148(1). p.22-34
abstract
The morphology and structure of the 1999 lava flows at Mount Cameroon volcano are documented and discussed in relation to local and source dynamics. Structures are analysed qualitatively and more detailed arguments are developed on the processes of levee formation and systematic links between flow dynamics and levee-channel interface geometry. The flows have clear channels bordered by four main types of levees: initial, accretionary, rubble and overflow levees. Thermally immature pahoehoe lava units with overflow drapes define the proximal zone, whereas rubble and accretionary levees are common in the distal region bordering thermally mature aa clinker or blocky aa flow channels. Pressure ridges, squeeze-ups and pahoehoe ropes are the prevalent compressive structures. Standlines displayed on clinkery breccias are interpreted to represent levee-channel interactions in response to changing flow levels. These data complement previous knowledge on lava flow morphology, thus far dominated by Etnean and Hawaiian examples.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
FIELD, PAHOEHOE, Mount Cameroon volcano, lava flows, morphology, KILAUEA VOLCANO, BASALTIC LAVA, ETNA, HAWAII, PETROCHEMISTRY, TRANSITION, EVOLUTION, PETROLOGY
journal title
GEOLOGICAL MAGAZINE
Geol. Mag.
volume
148
issue
1
pages
22 - 34
Web of Science type
Article
Web of Science id
000285463700002
JCR category
GEOSCIENCES, MULTIDISCIPLINARY
JCR impact factor
1.764 (2011)
JCR rank
64/170 (2011)
JCR quartile
2 (2011)
ISSN
0016-7568
DOI
10.1017/S0016756810000312
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
2105231
handle
http://hdl.handle.net/1854/LU-2105231
date created
2012-05-11 15:14:42
date last changed
2012-05-14 10:05:57
@article{2105231,
  abstract     = {The morphology and structure of the 1999 lava flows at Mount Cameroon volcano are documented and discussed in relation to local and source dynamics. Structures are analysed qualitatively and more detailed arguments are developed on the processes of levee formation and systematic links between flow dynamics and levee-channel interface geometry. The flows have clear channels bordered by four main types of levees: initial, accretionary, rubble and overflow levees. Thermally immature pahoehoe lava units with overflow drapes define the proximal zone, whereas rubble and accretionary levees are common in the distal region bordering thermally mature aa clinker or blocky aa flow channels. Pressure ridges, squeeze-ups and pahoehoe ropes are the prevalent compressive structures. Standlines displayed on clinkery breccias are interpreted to represent levee-channel interactions in response to changing flow levels. These data complement previous knowledge on lava flow morphology, thus far dominated by Etnean and Hawaiian examples.},
  author       = {Suh, C Emmanuel and Stansfield, SA and Sparks, RSJ and Njome, MS and Wantim, Mabel Nechia and Ernst, Gerald},
  issn         = {0016-7568},
  journal      = {GEOLOGICAL MAGAZINE},
  keyword      = {FIELD,PAHOEHOE,Mount Cameroon volcano,lava flows,morphology,KILAUEA VOLCANO,BASALTIC LAVA,ETNA,HAWAII,PETROCHEMISTRY,TRANSITION,EVOLUTION,PETROLOGY},
  language     = {eng},
  number       = {1},
  pages        = {22--34},
  title        = {Morphology and structure of the 1999 lava flows at Mount Cameroon Volcano (West Africa) and their bearings on the emplacement dynamics of volume-limited flows},
  url          = {http://dx.doi.org/10.1017/S0016756810000312},
  volume       = {148},
  year         = {2011},
}

Chicago
Suh, C Emmanuel, SA Stansfield, RSJ Sparks, MS Njome, Mabel Nechia Wantim, and Gerald Ernst. 2011. “Morphology and Structure of the 1999 Lava Flows at Mount Cameroon Volcano (West Africa) and Their Bearings on the Emplacement Dynamics of Volume-limited Flows.” Geological Magazine 148 (1): 22–34.
APA
Suh, C. E., Stansfield, S., Sparks, R., Njome, M., Wantim, M. N., & Ernst, G. (2011). Morphology and structure of the 1999 lava flows at Mount Cameroon Volcano (West Africa) and their bearings on the emplacement dynamics of volume-limited flows. GEOLOGICAL MAGAZINE, 148(1), 22–34.
Vancouver
1.
Suh CE, Stansfield S, Sparks R, Njome M, Wantim MN, Ernst G. Morphology and structure of the 1999 lava flows at Mount Cameroon Volcano (West Africa) and their bearings on the emplacement dynamics of volume-limited flows. GEOLOGICAL MAGAZINE. 2011;148(1):22–34.
MLA
Suh, C Emmanuel, SA Stansfield, RSJ Sparks, et al. “Morphology and Structure of the 1999 Lava Flows at Mount Cameroon Volcano (West Africa) and Their Bearings on the Emplacement Dynamics of Volume-limited Flows.” GEOLOGICAL MAGAZINE 148.1 (2011): 22–34. Print.