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Heritage Science
Fig. 7 | Heritage Science

Fig. 7

From: Apatite in Hamipterus tianshanensis eggshell: advances in understanding the structure of pterosaur eggs by Raman spectroscopy

Fig. 7

Raman spectra point analysis results of samples. a The eggshell surface of Sample no. 2 in 638 nm. b The surface eggshell of Sample no. 2 in 532 nm. c The cross-section of Sample no. 1 in 532 nm. d The surface eggshell of Sample no. 1 in 532 nm. e The surface weathered white area of Sample no. 2 in 532 nm. f The surface well-preserved area (shown in Fig. 3c) of Sample no. 2 in 532 nm

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