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Table 1 Thickness of lithostratigraphic units of the Latest Triassic and Early Jurassic in NW Switzerland

From: Evidence for synsedimentary differential tectonic movements in a low-subsidence setting: Early Jurassic in northwestern Switzerland

Formation (Fm.)/Member (Mb.) Thickness compacted [m] Thickness decompacted [m] Sedimentation Rate [m/Myr]compacted sediment Sedimentation Rate [m/Myr] decompacted sediment Decompaction Factor Ammonite Zone Age [Myr] Duration [Myr]
Gross Wolf Mb. and lower part Opalinus–Ton 0.4–42.9 0.9–85.8 0.1–10.7 0.9–85.8 2 Variabilis–Aalensis 178.2–174.2 4
Rietheim Mb. 0–19.5 0–39.0 0–3.6 0–39.0 2 Tenuicostatum–Bifrons 183.6–178.2 5.4
Rickenbach Mb./Breitenmatt Mb. (only Müsenegg Bd.) 0–c. 3.0 0–6.0 0–0.6 0–6 2 Margaritatus–Tenuicostatum 188.3–183.6 4.7
Breitenmatt Mb. (excl. Müsenegg Bd.)/upper part Mt. Terri Mb. 0.5–c. 9.5 0.8–14.3 0.2– > 3.5 0.8–14.3 1.5 Jamesoni–Davoei 191.0–188.3 2.7
Frick Mb. & Grünschholz Mb./Fasiswald Mb./lower part Mt. Terri Mb. 0?; 2.5–27.0 0?; 5.0–54.0 0?; 0.6–6.9 0?, 5.0–54.0 2 Obtusum–Jamesoni 194.9–191.0 3.9
upper part Beggingen Mb. and Weissenstein Mb. 1.5–24.4 2.3–36.6 0.33–5.4 2.3–36.6 1.5 Bucklandi–Obtusum 199.4–194.9 4.5
lower part Beggingen Mb. 0–c. 3.0 0–4.5 0–4.3 0–4.5 1.5 Angulata 200.1–199.4 0.7
Schambelen Mb./base Beggingen Mb. 0–9.1 0–18.1 0–9.1 0–18.1 2 Planorbis–Liasicus 201.1–200.1 1
Belchen Mb. (Klettgau Fm.) 0–7.0 (10.0?) 0–11.2 (16.0?) 0–0.8 (1.2?) 0–11.2 (16) 1.6 / 209.6–201.1 (205.8–201.1) 8.5 (4.7)