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Paleomagnetism of Ordovician and Devonian sedimentary rocks in the northwest of the Russian platform : New constraints on the Baltica kinematics in the Paleozoic and the remagnetization in the Permian-Triassic. / Gurevich, E. L.; Khramov, A. N.; Rodionov, V. P.; Deckers, M.; Fedorov, P. V.

In: Izvestiya, Physics of the Solid Earth, Vol. 41, No. 7, 01.07.2005, p. 555-570.

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@article{04eed98bdc04469b8dc2c81da252a9a3,
title = "Paleomagnetism of Ordovician and Devonian sedimentary rocks in the northwest of the Russian platform: New constraints on the Baltica kinematics in the Paleozoic and the remagnetization in the Permian-Triassic",
abstract = "A detailed paleomagnetic study of profiles of Ordovician (Arenigian-Llanvirnian) and Upper Devonian (Frasnian) carbonate and terrigenous rocks in the Leningrad region (the Putilovo and Syas River sections) revealed two groups of ancient components of the natural remanent magnetization (NRM) denoted as the P, PD, and S components. The conglomerate test is positive for the high temperature PD component in terrigenous rocks of the Upper Devonian. The P component is identified in carbonate beds showing no visible traces of secondary alterations, and we also classified it as primary. Comparison of the corresponding positions of paleomagnetic poles, (10.8°N, 133.6°E; dp = 2.2°, dm = 4.5°) for the Late Devonian, (29.1°N, 48.4°E; dp = 11.5°, dm = 13.0°) for the Llanvirnian, and (24.7°N, 57.6°E; dp = 4.1°, dm = 4.9°) for the Arenigian, with the apparent polar wander path (APWP) from Baltica indicates the normal polarity of the geomagnetic field in the studied interval of the Frasnian and the reversed polarity in the Arenigian and Llanvirnian. The S component of the NRM has the normal polarity in the Ordovician rocks and the reversed polarity in the Devonian rocks, and its paleomagnetic poles (58.4°N, 164.3°E; dp = 1.6°, dm = 2.3°) and (48.8°S, 346.7°E; dp = 2.1°, dm = 3.4°) determine, respectively, Triassic and Permian ages of this component. A new version of the APWP of the paleomagnetic pole from Baltica in the Ordovician-Devonian interval is proposed on the basis of the paleomagnetic determinations of this study and the updated paleomagnetic database.",
author = "Gurevich, {E. L.} and Khramov, {A. N.} and Rodionov, {V. P.} and M. Deckers and Fedorov, {P. V.}",
year = "2005",
month = jul,
day = "1",
language = "English",
volume = "41",
pages = "555--570",
journal = "Izvestiya, Physics of the Solid Earth",
issn = "1069-3513",
publisher = "Pleiades Publishing",
number = "7",

}

RIS

TY - JOUR

T1 - Paleomagnetism of Ordovician and Devonian sedimentary rocks in the northwest of the Russian platform

T2 - New constraints on the Baltica kinematics in the Paleozoic and the remagnetization in the Permian-Triassic

AU - Gurevich, E. L.

AU - Khramov, A. N.

AU - Rodionov, V. P.

AU - Deckers, M.

AU - Fedorov, P. V.

PY - 2005/7/1

Y1 - 2005/7/1

N2 - A detailed paleomagnetic study of profiles of Ordovician (Arenigian-Llanvirnian) and Upper Devonian (Frasnian) carbonate and terrigenous rocks in the Leningrad region (the Putilovo and Syas River sections) revealed two groups of ancient components of the natural remanent magnetization (NRM) denoted as the P, PD, and S components. The conglomerate test is positive for the high temperature PD component in terrigenous rocks of the Upper Devonian. The P component is identified in carbonate beds showing no visible traces of secondary alterations, and we also classified it as primary. Comparison of the corresponding positions of paleomagnetic poles, (10.8°N, 133.6°E; dp = 2.2°, dm = 4.5°) for the Late Devonian, (29.1°N, 48.4°E; dp = 11.5°, dm = 13.0°) for the Llanvirnian, and (24.7°N, 57.6°E; dp = 4.1°, dm = 4.9°) for the Arenigian, with the apparent polar wander path (APWP) from Baltica indicates the normal polarity of the geomagnetic field in the studied interval of the Frasnian and the reversed polarity in the Arenigian and Llanvirnian. The S component of the NRM has the normal polarity in the Ordovician rocks and the reversed polarity in the Devonian rocks, and its paleomagnetic poles (58.4°N, 164.3°E; dp = 1.6°, dm = 2.3°) and (48.8°S, 346.7°E; dp = 2.1°, dm = 3.4°) determine, respectively, Triassic and Permian ages of this component. A new version of the APWP of the paleomagnetic pole from Baltica in the Ordovician-Devonian interval is proposed on the basis of the paleomagnetic determinations of this study and the updated paleomagnetic database.

AB - A detailed paleomagnetic study of profiles of Ordovician (Arenigian-Llanvirnian) and Upper Devonian (Frasnian) carbonate and terrigenous rocks in the Leningrad region (the Putilovo and Syas River sections) revealed two groups of ancient components of the natural remanent magnetization (NRM) denoted as the P, PD, and S components. The conglomerate test is positive for the high temperature PD component in terrigenous rocks of the Upper Devonian. The P component is identified in carbonate beds showing no visible traces of secondary alterations, and we also classified it as primary. Comparison of the corresponding positions of paleomagnetic poles, (10.8°N, 133.6°E; dp = 2.2°, dm = 4.5°) for the Late Devonian, (29.1°N, 48.4°E; dp = 11.5°, dm = 13.0°) for the Llanvirnian, and (24.7°N, 57.6°E; dp = 4.1°, dm = 4.9°) for the Arenigian, with the apparent polar wander path (APWP) from Baltica indicates the normal polarity of the geomagnetic field in the studied interval of the Frasnian and the reversed polarity in the Arenigian and Llanvirnian. The S component of the NRM has the normal polarity in the Ordovician rocks and the reversed polarity in the Devonian rocks, and its paleomagnetic poles (58.4°N, 164.3°E; dp = 1.6°, dm = 2.3°) and (48.8°S, 346.7°E; dp = 2.1°, dm = 3.4°) determine, respectively, Triassic and Permian ages of this component. A new version of the APWP of the paleomagnetic pole from Baltica in the Ordovician-Devonian interval is proposed on the basis of the paleomagnetic determinations of this study and the updated paleomagnetic database.

UR - http://www.scopus.com/inward/record.url?scp=23244442075&partnerID=8YFLogxK

M3 - Article

AN - SCOPUS:23244442075

VL - 41

SP - 555

EP - 570

JO - Izvestiya, Physics of the Solid Earth

JF - Izvestiya, Physics of the Solid Earth

SN - 1069-3513

IS - 7

ER -

ID: 41219316