Foredeep


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foredeep

[′fȯr‚dēp]
(geology)
A long, narrow depression that borders an orogenic belt, such as an island arc, on the convex side.

Foredeep

 

(1) Another term for a marginal deep.

(2) The late developmental stage of a marginal deep, characterized by the accumulation of an upper molasse, formed by coarse continental sediment.

References in periodicals archive ?
Si el forebulge esta emergido, este segmento corresponde al area fuente de los depositos arenosos que se acumulan en el sector mas distal del foredeep (FIGURA 6A); por el contrario, si el forebulge esta por debajo del nivel base, ya sea por subsidencia producto de topografia dinamica, por aumento del nivel de base global o por sobrellenado de la cuenca por alto aporte sedimentario, este segmento junto con la parte distal del foredeep se convierte en la zona axial de los sistemas de acumulacion (Reyes-Harker et al, 2015) procedentes del orogeno al occidente de las rocas expuestas sobre el escudo de la Guyana al oriente (FIGURA 6B), e inclusive de altos intracuenca expuesto en el Mioceno medio-tardio al sur en el Arco del Vaupes (Bayona et al, 2008a; Bayona et al, 2008b).
They suggested a rough equilibrium between the modelled northward plate motion of the Indian subcontinent and the southward displacement of depositional processes within the foredeep.
The Rharb Basin is a foredeep basin located in the external zone of the Rif Folded belt.
The Sebou permit lies to the north-east of Rabat in the Rharb Basin, which is a foredeep basin located in the external zone of the Rif Folded belt.
Only a partial section of the Carboniferous developed in the Euphrates graben and the Mesopotamian Foredeep.
Specific topics include Silurian-bearing terranes of Alaska, the significance of detrital zircons in Upper Devonian ocean-basin strata of the Sonora allochthon and Lower Permian synorogenic strata of Mina Mexico foredeep in central Sonora, and Late Triassic mixed carbonate-volcaniclastic facies of the Olds Ferry terrane in eastern Oregon and western Idaho.
In the East, within the Ukrainian segment, it already completely overlies the folded framing of the ancient platform and 'splashes out far over the foredeep of the pre-Riphean Eastern--European Platform.
The basin dips northward off the Guyanan shield and deepens into the foredeep to the south of the Coastal Range.
Three of the exploration permit applications, totaling 225,840 acres, are located in the Po Valley in northern Italy, and two exploration permit applications totaling 142,905 acres are located in the Bradano Foredeep area in southern Italy.
Structural geometry of anticline and frontal thrust fault of the central Surghar Range reveals south verging structural style protrudes southward upon the Punjab Foredeep in the south.
The area of Bochnia is at the boundary of the Outer Carpathians and the Carpathian Foredeep (Fig.
Este aspecto refleja el cambio abrupto de sedimentacion ocurrido durante el transito OligocenoMioceno inferior, con un incremento de sedimentacion en la cuenca foredeep, debido a la tasa de elevacion del sistema de cordilleras de Los Andes venezolanos.