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The AAPG/Datapages Combined Publications Database

AAPG Special Volumes


Pub. Id: A113 (1988)

First Page: 311

Last Page: 318

Book Title: M 45: The Pannonian Basin: A Study in Basin Evolution

Article/Chapter: Secondary Heating of Vitrinite: Some Geological Implications: Chapter 22

Subject Group: Geologic History and Areal Geology

Spec. Pub. Type: Memoir

Pub. Year: 1988

Author(s): I. Laczo, A. Jambor


Vitrinite reflectance data in Hungary are mainly used for hydrocarbon exploration in the Neogene basins. However, enough data are available from secondary reworked vitrinite populations to help determine the source areas and Previous HitmaturationNext Hit history of older reworked sediments within the Neogene basins. This reworked material is derived mainly from Paleogene to early Paleozoic deposits that were uplifted and eroded during Tertiary time. A simple model describing the Previous HitmaturationTop of reworked vitrinite gives results in good agreement with observations. This model explains how a discontinuity in vitrinite reflectance can occur across an erosional unconformity, and why this discontinuity may disappear with heating of the sediment pile over a sufficiently long time period. Vitrinite d ta are also sensitive to local heating caused by magmatic intrusions. This makes it possible to distinguish between intrusive and extrusive igneous rocks using vitrinite data, and to predict the existence and location of intrusive igneous rocks that have not been penetrated by drilling.

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