高位体系域（highstand systems tract）又称高水位体系域，是层序发育晚期的沉积体系域。 高水位体系域(5张)
高位体系域表现为加积—进积沉积特征。
Highstand system tracts are characterized by acceleration progradation sedimentation.
高位体系域为厚层块状岩盐夹薄层泥岩和砂岩。
Highstand system tracts are formed by thick-massive rock salts intercalated by thin layers of mudstone and sandstone.
高位体系域主要发育滨浅湖相、河流相及进积型三角洲沉积体系。
Highstand System Tract mainly develops depositional system of offshore-meare, fluvial facies and prograded delta.
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