Stratigraphy and structural evolution of the southern Musoma Mara greenstone belt in the Suguti area, Northern Tanzania

dc.contributor.authorJohn, George
dc.date.accessioned2019-12-12T14:38:17Z
dc.date.accessioned2020-01-07T15:46:24Z
dc.date.available2019-12-12T14:38:17Z
dc.date.available2020-01-07T15:46:24Z
dc.date.issued2008
dc.descriptionAvailable in print form, East Africana Collection, Dr. Wilbert Chagula Library, Class mark (THS EAF QE651.J63)en_US
dc.description.abstractThis study presents the lithostratigraphy and structural characteristics of the southern Musorna-Mara Greenstone Belt in an area of about 726 km2 around Suguti in northern Tanzania based on satellite imagery, aerial photography and airborne geophysical investigations supplemented by detailed field work and petrographic investigations. The area consists of supracrustal rocks of the upper Nyanzian Supergroup, which have been intruded by granitic rocks which have been metamorphosed into the greenschist facies. High-resolution satellite imagery data and airborne magnetic data show a dominant NW-SE macro-structural pattern which cross cut earlier E-W lineaments resulting in open symmetrical folds. A regional dextral sense of deformation is inferred from deformation patterns in xenoliths, megaphenocrysts and C-C' relationships in shear zones. Apart from the shear zones, sub-vertical thrusts in cherts also cause folds and repetition of strata The sub-vertical shear planes indicate curvilinear listric thrusts with drag folds and listric back-thrusts. Likewise, ridges display distinct listric type of thrust patterns dipping NNW forming duplex thrust piles indicative of SSE thrust tectonics. The local stratigraphic sequence in the area is, from older to younger as follows; basic metavolcanics (greenschists), acidic (felsic) metavolcanics and the upper metasedimentary group.en_US
dc.identifier.citationJohn, G. (2008) Stratigraphy and structural evolution of the southern Musoma Mara greenstone belt in the Suguti area, Northern Tanzania, Master dissertation, University of Dar es Salaam. Dar es Salaam.en_US
dc.identifier.urihttp://localhost:8080/xmlui/handle/123456789/1873
dc.language.isoenen_US
dc.publisherUniversity of Dar es Salaamen_US
dc.subjectGeologyen_US
dc.subjectstructuralen_US
dc.subjectSouthern Musoma Mara Greenstone Belten_US
dc.subjectSuguti areaen_US
dc.subjectTanzaniaen_US
dc.subjectNorth Easternen_US
dc.titleStratigraphy and structural evolution of the southern Musoma Mara greenstone belt in the Suguti area, Northern Tanzaniaen_US
dc.typeThesisen_US
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