2022
DOI: 10.1016/j.quaint.2022.06.009
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Holocene palaeoenvironmental conditions in NE Bulgaria uncovered by mineral magnetic and paleomagnetic records of an alluvial soil

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Cited by 2 publications
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“…The thermomagnetic analysis of sample PM16 failed completely, likely due to its high calcite content and to the absence of high amounts of magnetic phases. On the other hand, sample PM15 within the soil–regolith lower boundary, revealed a uniform χ–T behavior that is indicative of the dominance of two magnetic phases (Figure 8c)—one with Tc, or transformation temperature, between 260 and 320°C, representing likely maghemite, and a second one around 600°C, which is typical for oxidised magnetite (Jordanova et al, 2022). Since the nano‐sized pedogenic magnetite is unstable upon heating (Dunlop & Özdemir, 1997), the identified oxidised magnetite suggests that weak pedogenetic production of ferromagnetic components occurs in the base of the PM soil profile.…”
Section: Resultsmentioning
confidence: 99%
“…The thermomagnetic analysis of sample PM16 failed completely, likely due to its high calcite content and to the absence of high amounts of magnetic phases. On the other hand, sample PM15 within the soil–regolith lower boundary, revealed a uniform χ–T behavior that is indicative of the dominance of two magnetic phases (Figure 8c)—one with Tc, or transformation temperature, between 260 and 320°C, representing likely maghemite, and a second one around 600°C, which is typical for oxidised magnetite (Jordanova et al, 2022). Since the nano‐sized pedogenic magnetite is unstable upon heating (Dunlop & Özdemir, 1997), the identified oxidised magnetite suggests that weak pedogenetic production of ferromagnetic components occurs in the base of the PM soil profile.…”
Section: Resultsmentioning
confidence: 99%