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Record #146568:

Stratigraphy, palaeomagnetism and age of volcanics in the upper regions of THjórsárdalur valley, central southern Iceland / Léo Kristjánsson, Robert A. Duncan, Ágúst Gudhmundsson.

Title: Stratigraphy, palaeomagnetism and age of volcanics in the upper regions of THjórsárdalur valley, central southern Iceland / Léo Kristjánsson, Robert A. Duncan, Ágúst Gudhmundsson.
Author(s): Kristjánsson, Léo.
Duncan, Robert A.
Gudhmundsson, Ágúst.
Date: 1998.
In: Boreas. (1998.), Vol. 27(1) (1998)
Abstract: "Hreppar Formation" is succession of basalt lavas and clastic material, with slight anticlinal structure. It may represent crustal fragment left by eastwards movement of active spreading zone during past 2-3 Ma. Evidence of several cycles by alternating glacial-interglacials is seen. Stratigraphic study was combined with K-Ar age determinations. Units from Jaramillo geomagnetic subchron are present, and at least one polarity reversal in lower Matuyama chron is recorded.
Notes:

Boreas. Vol. 27(1) :1-13 (1998).

Keywords: 54.027 -- Isotope analysis.
550.384.3 -- Palaeomagnetism, secular change.
551.7 -- Stratigraphy.
B -- Geology and soil sciences.
(*3) -- Arctic regions.
(*35) -- Iceland.
SPRI record no.: 146568

MARCXML

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100 1# ‡aKristjánsson, Léo.
245 10 ‡aStratigraphy, palaeomagnetism and age of volcanics in the upper regions of THjórsárdalur valley, central southern Iceland /‡cLéo Kristjánsson, Robert A. Duncan, Ágúst Gudhmundsson.
260 ## ‡a[S.l.] :‡b[s.n.],‡c1998.
300 ## ‡ap. 1-13 :‡bdiags., tables, maps.
500 ## ‡aBoreas. Vol. 27(1) :1-13 (1998).
520 3# ‡a"Hreppar Formation" is succession of basalt lavas and clastic material, with slight anticlinal structure. It may represent crustal fragment left by eastwards movement of active spreading zone during past 2-3 Ma. Evidence of several cycles by alternating glacial-interglacials is seen. Stratigraphic study was combined with K-Ar age determinations. Units from Jaramillo geomagnetic subchron are present, and at least one polarity reversal in lower Matuyama chron is recorded.
650 07 ‡a54.027 -- Isotope analysis.‡2udc
650 07 ‡a550.384.3 -- Palaeomagnetism, secular change.‡2udc
650 07 ‡a551.7 -- Stratigraphy.‡2udc
650 07 ‡aB -- Geology and soil sciences.‡2local
651 #7 ‡a(*3) -- Arctic regions.‡2udc
651 #7 ‡a(*35) -- Iceland.‡2udc
700 1# ‡aDuncan, Robert A.
700 1# ‡aGudhmundsson, Ágúst.
773 0# ‡7nnas ‡tBoreas. ‡gVol. 27(1) (1998) ‡wSPRI-56035
917 ## ‡aUnenhanced record from Muscat, imported 2019
948 3# ‡a20221004