Acquisition of a unique onshore/offshore geophysical and geochemical dataset in the Northern Malawi (Nyasa) Rift

Donna J. Shillington; J. B. Gaherty; Cynthia J. Ebinger; Christopher A. Scholz; Kate Selway; Andrew A. Nyblade; Paul A. Bedrosian; Cornelia Class; Scott Nooner; Matthew E. Pritchard; Julie L. Elliott; Patrick R. N. Chindandali; Gaby Mbogoni; Richard Wambura Ferdinand; Nelson Boniface; Shukrani Manya; Godson Kamihanda; Elifuraha Saria; Gabriel Mulibo; Jalf Salima; Abdul Mruma; Leonard Kalindekafe; Natalie J. Accardo; Ntambila Daud; Marsella Kachingwe; Gary T. Mesko; Tannis McCartney; Melania Maquay; J. P. O’Donnell; Gabrielle Tepp; Khalfan Mtelela; Per Trinhammer; Douglas Wood; Ernest Aaron; Mark Gibaud; Martin Rapa; Cathy Pfeifer; Felix Mphepo; Duncan Gondwe; Gabriella Arroyo; Celia Eddy

doi:10.1785/0220160112

Acquisition of a unique onshore/offshore geophysical and geochemical dataset in the Northern Malawi (Nyasa) Rift

Seismological Research Letters

By: Donna J. Shillington, J. B. Gaherty, Cynthia J. Ebinger, Christopher A. Scholz, Kate Selway, Andrew A. Nyblade, Paul A. Bedrosian, Cornelia Class, Scott Nooner, Matthew E. Pritchard, Julie L. Elliott, Patrick R. N. Chindandali, Gaby Mbogoni, Richard Wambura Ferdinand, Nelson Boniface, Shukrani Manya, Godson Kamihanda, Elifuraha Saria, Gabriel Mulibo, Jalf Salima, Abdul Mruma, Leonard Kalindekafe, Natalie J. Accardo, Ntambila Daud, Marsella Kachingwe, Gary T. Mesko, Tannis McCartney, Melania Maquay, J. P. O’Donnell, Gabrielle Tepp, Khalfan Mtelela, Per Trinhammer, Douglas Wood, Ernest Aaron, Mark Gibaud, Martin Rapa, Cathy Pfeifer, Felix Mphepo, Duncan Gondwe, Gabriella Arroyo, and Celia Eddy

https://doi.org/10.1785/0220160112

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Abstract

The Study of Extension and maGmatism in Malawi aNd Tanzania (SEGMeNT) project acquired a comprehensive suite of geophysical and geochemical datasets across the northern Malawi (Nyasa) rift in the East Africa rift system. Onshore/offshore active and passive seismic data, long‐period and wideband magnetotelluric data, continuous Global Positioning System data, and geochemical samples were acquired between 2012 and 2016. This combination of data is intended to elucidate the sedimentary, crustal, and upper‐mantle architecture of the rift, patterns of active deformation, and the origin and age of rift‐related magmatism. A unique component of our program was the acquisition of seismic data in Lake Malawi, including seismic reflection, onshore/offshore wide‐angle seismic reflection/refraction, and broadband seismic data from lake‐bottom seismometers, a towed streamer, and a large towed air‐gun source.

Suggested Citation

Shillington, D.J., Gaherty, J., Ebinger, C.J., Scholz, C., Selway, K., Nyblade, A.A., Bedrosian, P.A., Class, C., Nooner, S., Pritchard, M.E., Elliott, J.L., Chindandali, P.R., Mbogoni, G., Ferdinand, R.W., Boniface, N., Manya, S., Kamihanda, G., Saria, E., Mulibo, G., Salima, J., Mruma, A., Kalindekafe, L., Accardo, N.J., Daud, N., Kachingwe, M., Mesko, G.T., McCartney, T., Maquay, M., O’Donnell, J.P., Tepp, G., Mtelela, K., Trinhammer, P., Wood, D., Aaron, E., Gibaud, M., Rapa, M., Pfeifer, C., Mphepo, F., Gondwe, D., Arroyo, G., Eddy, C., 2016, Acquisition of a unique onshore/offshore geophysical and geochemical dataset in the Northern Malawi (Nyasa) Rift: Seismological Research Letters, v. 87, no. 6, p. 1406-1416, https://doi.org/10.1785/0220160112.

ISSN: 1938-2057 (online)

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Additional publication details
Publication type	Article
Publication Subtype	Journal Article
Title	Acquisition of a unique onshore/offshore geophysical and geochemical dataset in the Northern Malawi (Nyasa) Rift
Series title	Seismological Research Letters
DOI	10.1785/0220160112
Volume	87
Issue	6
Publication Date	September 07, 2016
Year Published	2016
Language	English
Publisher	Seismological Society of America
Contributing office(s)	Crustal Geophysics and Geochemistry Science Center
Description	11 p.
First page	1406
Last page	1416
Country	Malawi, Tanzania