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Passive Seismic Experiment "13 BB Star" in the Margin of the East European Craton, Northern Poland

Grad M., Polkowski M., Wilde-Piórko M., Suchcicki J., Arant T.

Acta Geophysica

2015

Vol. 63, no. 2

352--373

The lithosphere-asthenosphere boundary (LAB) is investigated recently very effectively, mostly using seismic methods because of their deep penetration and relatively good resolution. The nature of LAB is still debated, particularly under “cold” Precambrian shields and platforms. Passive experiment “13 BB star” is dedicated to study deep structure of the Earth’s interior in the marginal zone of the East European craton in northern Poland. The seismic network consists of 13 broadband stations on the area of ca. 120 km in diameter. The network is located in the area of well-known sedimentary cover and crustal structure. Good records obtained till now, and expected during next 1-year long recording campaign, should yield images of detailed structure of the LAB, „410”, “?520”, and „660” km discontinuities, as well as mantle-core boundary and inner core.