K/Ar age determination of Neogene volcanic rocks from the Gutai Mts. (eastern Carpathians, Romania)

Zoltán Pécskay, Oscar Edelstein, Marinel Kovacs, Alexe Bernád, Monica Crihan

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Abstract

K/Ar analyses were carried out on unaltered samples of volcanic rocks from the Gutai Mts. of Romania. The samples represent lava flows. According to previously performed geological mapping and existing lithostratigraphic relationships, the volcanic activity in the area developed during Badenian - Dacian time, with several eruption phases. Most of the volcanic rocks were considered Pontian and post-Pontian in age with a probable extension towards the Pliocene time. The newly obtained apparent ages range between 9-14 Ma indicating that andesitic volcanism started at the Badenian - Sarmatian boundary and continued until the Upper Pannonian. -from Authors

Original languageEnglish
Pages (from-to)357-363
Number of pages7
JournalGeologica Carpathica
Volume45
Issue number6
Publication statusPublished - Jan 1 1994

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ASJC Scopus subject areas

  • Geology

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