Abstract ▼ AI-Helper

Among 15 petrified wood samples which were collected from Pohang basin tertiary Janggi group, 5 well-preserved samples, that showed growth rings clearly, were chosen and a wood anatomical characteristic study was performed on the one sample that has best-preserved tissue. That study confirms wood an...

Among 15 petrified wood samples which were collected from Pohang basin tertiary Janggi group, 5 well-preserved samples, that showed growth rings clearly, were chosen and a wood anatomical characteristic study was performed on the one sample that has best-preserved tissue. That study confirms wood anatomical characteristic as Ulamceae Ulmus. Also, as a result of the growth ring analysis, mean sensitivity ranges from 0.34 to 0.41 extent and grand mean has the cost of 0.37. This indicates that It was temperate climate environment at the time of petrified wood creation. And It is assumed that water supply was changed every season or influenced by seasonal limitation every year because of seasonal precipitation change.

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