硅化木1属1种,还有鱼类等,新命1新属4个新种。
处在酸性垒的原植物次生木质部组织被二氧化硅替换而成硅化木。
The secondary xylem of the original plants in local acidic environment was replaced by silica and turned into fossil woods.
结合硅化木特征与地层岩石学研究,探讨了新昌硅化木形成的古生态环境。
The petrology studies on stratum together with the characteristic of Xinchang petrified wood, the palaeoecologic environment of Xinchang petrified wood Araucarioxylon forming is analysed.
新昌硅化木中有明显的树木年轮,表明这种古气候可能存在一定的季节变化。
Visible tree rings of the Xinchang Petrified Wood indicate that there might be some seasonal changes in the ancient climate.
再如,古生物化石也不能称为“古生物化玉”。所以将硅化木称“树化玉”是欠妥的。
As paleo-fossil also can not be called paleo-fossil jade, so silicified wood being called tree fossil jade is not properly.
河道砾岩和漫流砾岩中层理的收敛方向及硅化木走向均表明本区古水流方向为近北西—东南向。
The convergence direction of bedding and the strike of petrified wood in the channel deposits and sheetflood deposits show that the paleocurrent flowed from northwest to southeast.
河道砾岩和漫流砾岩中层理的收敛方向及硅化木走向均表明本区古水流方向为近北西—东南向。
The convergence direction of bedding and the strike of petrified wood in the channel deposits and sheetflood deposits show that the paleocurrent flowed from northwest to southeast.
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