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Progress in Earth and Planetary Science
Figure 4 | Progress in Earth and Planetary Science

Figure 4

From: Mechanism of long-standing Cenozoic basin formation in central Hokkaido: an integrated basin study on an oblique convergent margin

Figure 4

Results of one-dimensional thermal and kinetic modeling. Models for the trench side (a, b, c, d) and continental side (e, f, g, h) of the paleo-forearc region in Hokkaido. (a) Burial history assuming drastic burial (deposition of the Hakobuchi Formation) and exhumation (development of the Horobetsugawa Complex) around the end of Cretaceous and early Paleocene, respectively (Model 1). (b) Measured (dots) and calculated (lines) maturation trends optimized for Model 1. (c) Burial history assuming Paleogene persistent subsidence and Neogene exhumation (Model 2). (d) Measured (dots) and calculated (lines) maturation trends optimized for Model 2. (e) Burial history for the Kitakawaguchi SK-1 borehole. (f) Measured (dots) and calculated (line) maturation trends optimized for the Kitakawaguchi SK-1. (g) Burial history for the MITI Rumoi borehole. (h) Measured (dots) and calculated (line) maturation trends optimized for the MITI Rumoi.

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