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Journal of Palaeogeography
Fig. 10 | Journal of Palaeogeography

Fig. 10

From: First record of stable isotopes (δ13C, δ18O) and element ratios (Mg/Ca, Sr/Ca) of Middle to Late Jurassic belemnites from the Indian Himalayas and their potential for palaeoenvironmental reconstructions

Fig. 10

Absolute temperature estimates for the Middle to Late Jurassic (Middle Callovian−Oxfordian, Kimmeridgian, Early and Late Tithonian) belemnite rostra of the Spiti Valley based on different methods. a Temperatures based on δ18Oshell values, the equation of Anderson and Arthur (1983), and a δ18Osea value of − 1‰; b Temperatures based on δ18Oshell values, the equation of Anderson and Arthur (1983), and a δ18Osea value of − 0.2‰; c Temperatures based on δ18Oshell values, the equation of Daëron et al. (2019), and a δ18Osea value of − 1‰; d Temperatures based on δ18Oshell values, the equation of Daëron et al. (2019), and a δ18Osea value of − 0.2‰; e Temperatures based on Mg/Ca values and the equation of Nunn and Price (2010)

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