The occurrence and fission-track ages of late neogene and quaternary volcanic sediments, Siwalik group, Northern Pakistan
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Abstract
Volcanic sediments, now mostly bentonites and bentonitic mudstones, occur throughout the Late Neogene and Quaternary Siwalik Group of northern Pakistan. A number of these deposits have been dated by the fission-track method, utilizing zircon phenocrysts from these deposits, and provide the chronometric constraints upon which a paleomagnetic stratigraphy is developed for the Siwalik Group. Notable in the occurrence of these altered tuff horizons is an apparent mode in their stratigraphic development from approximately 3.0 to 1.5 m.y. B.P. which coincides with the period of activity of the Dacht-e-Nawar volcanic complex of east-central Afghanistan. Fission-track ages of certain tuffs for critical areas of northern Pakistan are reported herein.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | The occurrence and fission-track ages of late neogene and quaternary volcanic sediments, Siwalik group, Northern Pakistan |
| Series title | Palaeogeography, Palaeoclimatology, Palaeoecology |
| DOI | 10.1016/0031-0182(82)90058-X |
| Volume | 37 |
| Issue | 1 |
| Year Published | 1982 |
| Language | English |
| Publisher | Elsevier |
| Description | 31 p. |
| First page | 63 |
| Last page | 93 |
| Country | Pakistan |
| Other Geospatial | northern Pakistan |