ash tuff 中文意思是什麼
ash tuff
解釋
火山灰凝巖-
Coarse ash tuff
粗粒凝灰巖 -
The two early carboniferous fragments are composed of basalt and ash - black, fuchsia radiolaria silicalite, siliceous mudstone, tuff
早石炭世兩個斷片由玄武巖和灰白色、紫紅色放射蟲硅質巖、硅質泥巖、凝灰巖組成。
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