Rotational overthrusting of the northwestern Himalaya: further palaeomagnetic evidence from the Riasi thrust sheet, Jammu foothills, India

Klootwijk, Chris; Sharma, M. L.; Gergan, Jozef; Shah, Sanjiv; Gupta, Barun K. Sen

doi:10.1016/0012-821x(86)90119-6

Cited by 34 publications

(23 citation statements)

References 48 publications

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“…Paleomagnetic dates provided by Klootwijk et al (1986) for Lower Murree of the Kalakot area, Jammu, by Najman et al (1994) for the Dagshai Formation from several localities in Himachal Pradesh and by Gautam (1989) for its equivalent Dumri Formation in Nepal, are Middle Eocene, 35.5G6.7 and 40 Ma, respectively. These dates are more or less in conformity with the ages indicated by fossil evidences.…”

Section: Paleomagnetic Datesmentioning

confidence: 99%

Biochronological continuity of the Paleogene sediments of the Himalayan Foreland Basin: paleontological and other evidences

Bhatia

Bhargava

2006

Journal of Asian Earth Sciences

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Section: Paleomagnetic Datesmentioning

confidence: 99%

Biochronological continuity of the Paleogene sediments of the Himalayan Foreland Basin: paleontological and other evidences

Bhatia

Bhargava

2006

Journal of Asian Earth Sciences

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“…However, the collision of the Indian subcontinent with mainland Asia 60 million years ago (Klootwijk et al, 1986) may have been a vicariant event that isolated eastern and western populations of Odontamblyopus. Such a scenario has been hypothesized for other marine taxa (Hocutt, 1987;Springer, 1988;Murdy, 1989) and accounts for the presence and distribution of O. rubicundus (east coast of India to Myanmar) and O. roseus (west coast of India).…”

Section: Phylogenetic and Biogeographic Discussionmentioning

confidence: 99%

A revision of the gobiid fish genus Odontamblyopus (Gobiidae: Amblyopinae)

Murdy

Shibukawa

2001

Ichthyological Research

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The Indo-West Pacific gobiid genus Odontamblyopus Bleeker is defined and revised. Odontamblyopus is unique within the Amblyopinae in having free and silklike pectoral-fin rays. Odontamblyopus comprises four species: O. lacepedii, distributed from southern China to Taiwan, Korea, and Japan; O. roseus, distributed along the west coast of India; O. rubicundus, ranging from the east coast of India to Myanmar; and O. tenuis, known only from Pakistan and Myanmar. A key to species is provided. Figures and descriptions of each species are also given. Odontamblyopus has often been confused with Taenioides; the two genera are compared and characters to distinguish them are provided. The phylogeny and biogeography of Odontamblyopus are discussed.

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“…Non availability of structural data and complicated situation arising from remagnetization of these volcanics stop us from further interpretation. However discordant declination pattern is not rare in thrust-belt regions (Klootwijk et al, 1986;Pares et al, 1994;Van der Voo et al, 1997;Yoshida et al, 1998;Zaman and Torii, 1999). The latter stage deformation in the rocks, north of the Dir thrust may produce local scale rotations related with thrust sheet deformations.…”

Section: Rotationsmentioning

confidence: 99%

Paleomagnetic study of Utror Volcanic Formation: Remagnetizations and postfolding rotations in Utror area, Kohistan arc, northern Pakistan

Ahmad

Yoshida²,

Fujiwara

2014

Earth Planet Sp

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The Utror Volcanic Formation forms a NE-SW belt with in Kohistan island arc, which lies between the Indian and Eurasian continents in the western Himalayas of northern Pakistan. The Utror Volcanic Formation formed during Late Paleocene, when Kohistan existed as an Andean-type arc on the southern margin of Eurasia. Five to ten block samples were collected from 17 sites of the formation for paleomagnetic studies. Magnetic minerals that serve as remanent carriers are maghemite, magnetite, hematite and titanohematite. Magnetite, hematite, and titanohematite carry the characteristic remanent magnetization (ChRM). The declination values of ChRM are highly discordant before and after structural correction. While inclination values show uniformity in geographic coordinates. The ChRM carried by magnetite yields downward inclinations, whereas the ChRM carried by hematite or titanohematite have upward inclinations in geographic coordinates. The correlation between polarity state and magnetic mineralogy suggests that the acquisition of magnetization occurred during two distinct time intervals. An inclination only fold test of ChRM of these two mineral assemblages indicates that they are post-folding magnetizations. The calculated paleolatitudes for ChRM carried by magnetite and hematite or titanohematite are 9±4• N and 13±4• N respectively. A comparison of these paleolatitudes with the Indian apparent polar wander path (APWP) shows that the remagnetization likely happened between 55 to 45 Ma. Discordant declinations indicate that these volcanics suffered local rotations after remagnetization event.

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Rotational overthrusting of the northwestern Himalaya: further palaeomagnetic evidence from the Riasi thrust sheet, Jammu foothills, India

Cited by 34 publications

References 48 publications

Biochronological continuity of the Paleogene sediments of the Himalayan Foreland Basin: paleontological and other evidences

Biochronological continuity of the Paleogene sediments of the Himalayan Foreland Basin: paleontological and other evidences

A revision of the gobiid fish genus Odontamblyopus (Gobiidae: Amblyopinae)

Paleomagnetic study of Utror Volcanic Formation: Remagnetizations and postfolding rotations in Utror area, Kohistan arc, northern Pakistan

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