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Gontsy / Ginsy
Type of Material (Djindjian) | Type of Material (Grégoire) |
Description | Frequency | Origin |
---|---|---|---|---|
Type 1 | GS1 | Grey-black flint spotted with grey-white, with a light yellow cortex | Frequent | Cénomanien, Upper Cretaceous |
Type 2 | GS1 | Matte grey-black flint | Rare | Cénomanien, Upper Cretaceous |
Type 16 | GS8 | Silicified limestone | Rare | Moraine |
Type of Material (Djindjian) | Type of Material (Grégoire) |
Description | Frequency | Origin |
---|---|---|---|---|
Type 1 | GS1 | Grey-black flint spotted with grey-white, with a light yellow cortex | Frequent | Cénomanien, Upper Cretaceous |
Type 2 | GS1 | Matte grey-black flint | Rare | Cénomanien, Upper Cretaceous |
Type 16 | GS8 | Silicified limestone | Rare | Moraine |