Origin of the Pliocene vertebrate bone accumulation at Hajnacka, Southern Slovakia

Dionýz Vass, Vlastimil Konečný, Igor Túnyi, Peter Dolinský, Kadosa Balogh, Natália Hudáčková, Marianna Kováčová-Slámková, Boris Beláček

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The accumulation of vertebrate mostly mammal skeleton fragments in the 'Bone Valley' at Hajnacka - a type locality of the European Neogene Mammal time-scale, zone MN 16 and/or subzone MN 16a came into existence in a lake with water influx and outlet. After cessation of the phreatomagmatic eruptions responsible for the maar creation, the maar was filled by the finely laminated sediments. The domatic rise of the Cerova vrchovina Upland motivated the erosional destruction of any relatively soft relief protuberance. The ring of the maar was partly destroyed and the sedimentary maar fill was swept out. Later on the emptied maar was filled by water. In the lake originated in this way sandy sediments and tuff were deposited together with the bones of mammals, killed by postvolcanic gas emanations, or tephra fall, when the animals drank the water of the lake. The age of the subzone MN 16a is 2.8-3.3 Ma BP (Fejfar and Heinrich 1987). The subzone corresponds to the middle part of the chron C2An. The maar originated earlier in the early period of the same chron, because the tuff has a normal magnetic polarity. It could not be generated before 3.55 Ma BP - that is the numerical age of the chron C2An/C2Ar, because the chron C2Ar lasting 0.6 Ma (3.55-4.15 Ma BP) was a period of the reverse polarity of the Earth's magnetic field. From the comparison of the age of the bone accumulation in the Hajnacka maar and the basalt lava flows of the Cerova Basalt Fm. it follows that effusive activity acted before both phases of the maar creation and its filling as well as after it.

Original languageEnglish
Pages (from-to)69-82
Number of pages14
JournalGeologica Carpathica
Volume51
Issue number2
Publication statusPublished - Apr 2000

Fingerprint

maar
bone
Pliocene
vertebrate
mammal
tuff
lake
basalt
type locality
tephra
lava flow
water
skeleton
sediment
Neogene
relief
fill
volcanic eruption
magnetic field
timescale

Keywords

  • Cerova Basalt Fm
  • Hajnacka
  • Maar
  • Neogene Mammalia
  • Remanent magnetism
  • Southern Slovakia
  • Subzone MN 16a
  • Villafranchian

ASJC Scopus subject areas

  • Earth and Planetary Sciences (miscellaneous)

Cite this

Vass, D., Konečný, V., Túnyi, I., Dolinský, P., Balogh, K., Hudáčková, N., ... Beláček, B. (2000). Origin of the Pliocene vertebrate bone accumulation at Hajnacka, Southern Slovakia. Geologica Carpathica, 51(2), 69-82.

Origin of the Pliocene vertebrate bone accumulation at Hajnacka, Southern Slovakia. / Vass, Dionýz; Konečný, Vlastimil; Túnyi, Igor; Dolinský, Peter; Balogh, Kadosa; Hudáčková, Natália; Kováčová-Slámková, Marianna; Beláček, Boris.

In: Geologica Carpathica, Vol. 51, No. 2, 04.2000, p. 69-82.

Research output: Contribution to journalArticle

Vass, D, Konečný, V, Túnyi, I, Dolinský, P, Balogh, K, Hudáčková, N, Kováčová-Slámková, M & Beláček, B 2000, 'Origin of the Pliocene vertebrate bone accumulation at Hajnacka, Southern Slovakia', Geologica Carpathica, vol. 51, no. 2, pp. 69-82.
Vass D, Konečný V, Túnyi I, Dolinský P, Balogh K, Hudáčková N et al. Origin of the Pliocene vertebrate bone accumulation at Hajnacka, Southern Slovakia. Geologica Carpathica. 2000 Apr;51(2):69-82.
Vass, Dionýz ; Konečný, Vlastimil ; Túnyi, Igor ; Dolinský, Peter ; Balogh, Kadosa ; Hudáčková, Natália ; Kováčová-Slámková, Marianna ; Beláček, Boris. / Origin of the Pliocene vertebrate bone accumulation at Hajnacka, Southern Slovakia. In: Geologica Carpathica. 2000 ; Vol. 51, No. 2. pp. 69-82.
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