An investigation of a Neogene Valley in the Ugra National Park

A paleovalley in the vicinity of the village of Aleksandrovka (Kaluga oblast) has been investigated within the framework of a geophysical survey by Moscow State University for 5 years. A local magnetic anomaly in the region of the paleovalley (a grid of 300 × 1000 m and a scale of 1: 2500) has been...

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Bibliographic Details
Published in:Moscow University geology bulletin 2014-05, Vol.69 (3), p.171-177
Main Authors: Kulikov, V. A., Bobachev, A. A., Modin, I. N., Palenov, A. Yu, Sterligova, I. D.
Format: Article
Language:English
Subjects:
Earth and Environmental Science
Earth Sciences
Geology
Geophysics
Magnetic fields
Mineralogy
National parks
Neogene
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Summary:A paleovalley in the vicinity of the village of Aleksandrovka (Kaluga oblast) has been investigated within the framework of a geophysical survey by Moscow State University for 5 years. A local magnetic anomaly in the region of the paleovalley (a grid of 300 × 1000 m and a scale of 1: 2500) has been confirmed according to the results of electrical-resistivity tomography (ERT) and the spectral induced polarization (IP) method for a series of four profiles. IP measurements at several frequencies have permitted some additional conclusions about the nature of the anomaly. Based on the ERT 2D inversion and IP results, a clear correlation has been revealed between the magnetic anomalies and the high-frequency IP anomalies.
ISSN:0145-8752
1934-8436
DOI:10.3103/S0145875214030077