1887

Abstract

We analyzed the geologic history of the<br>Salinas basin and the Beazley basin, by means of<br>time -depth diagrams that discriminated against the<br>total subsidence in load and termotectónica<br>subsidence. The plots were preparated from drilling data.<br>The total subsidencia was obtained after<br>doing the decompaction of the different layers, using<br>geological and mathematical concepts, mainly as a<br>function of the variation of porosity with depth. The<br>load subsidence was calculated from the isostatic<br>crustal Airy model. The thermotectonic subsidence<br>was obtained from the diference between the total<br>subsidence and the load subsidence.<br>In generla we observe, a similarity among<br>the episodes that are manifested in the curves of the<br>geohistorys diagrams by the change of slopes. But we<br>also notice that the behavior of the basin of Beazley<br>responds to a mechanism of hydrostatic<br>compensation, while the basin of The Salines, has a<br>regional component, responding to a compensation<br>elastic flexural.

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/content/papers/10.3997/2214-4609-pdb.217.203
2001-10-28
2024-03-28
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