Drysdall, A. R., Garrard, P. (1964) Significance of the Radiometric Ages of the Nchanga and Lusaka Granites, Northern Rhodesia. Geological Magazine, 101 (2) 161-168 doi:10.1017/s0016756800048603
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | Significance of the Radiometric Ages of the Nchanga and Lusaka Granites, Northern Rhodesia | ||
| Journal | Geological Magazine | ||
| Authors | Drysdall, A. R. | Author | |
| Garrard, P. | Author | ||
| Year | 1964 (April 17) | Volume | 101 |
| Issue | 2 | ||
| Publisher | Cambridge University Press (CUP) | ||
| DOI | doi:10.1017/s0016756800048603Search in ResearchGate | ||
| Generate Citation Formats | |||
| Mindat Ref. ID | 249372 | Long-form Identifier | mindat:1:5:249372:9 |
| GUID | 0 | ||
| Full Reference | Drysdall, A. R., Garrard, P. (1964) Significance of the Radiometric Ages of the Nchanga and Lusaka Granites, Northern Rhodesia. Geological Magazine, 101 (2) 161-168 doi:10.1017/s0016756800048603 | ||
| Plain Text | Drysdall, A. R., Garrard, P. (1964) Significance of the Radiometric Ages of the Nchanga and Lusaka Granites, Northern Rhodesia. Geological Magazine, 101 (2) 161-168 doi:10.1017/s0016756800048603 | ||
| In | (1964, April) Geological Magazine Vol. 101 (2) Cambridge University Press (CUP) | ||
| Abstract/Notes | AbstractThe similarity between the “whole-rock” ages of the Nchanga and Lusaka granites, 755 m.y. and 725 m.y. respectively, is misleading. The field evidence indicates that the Lusaka granite, although syntectonic, intrudes Katanga metasediments, whereas the Nchanga granite is overlain unconformably by basal Katanga conglomerate and arkose. The age of the Lusaka granite thus sets a younger limit to the age of the Katanga metasediments of the Central Province and dates the waning phases of the Lufilian orogeny. The radiometric age of the Nchanga red granite is too young for a pre-Katanga intrusive, and it is suggested that it has been modified by subsequent metasomatism. | ||
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