Bao ancient group plans for a major deep-sea - a half deep in the ash, black ash-like TLC tuffaceous siltstone, shale tuffaceous, with gray green, with thin gray-tuff interbedded uneven.

包古图组主要为一套深海—半深海相的灰、灰黑色薄层状凝灰质粉砂岩、凝灰质泥岩，与灰绿色、灰色薄层状沉凝灰岩不均匀互层。

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The two early Carboniferous fragments are composed of Basalt and ash-black, fuchsia radiolaria silicalite, siliceous mudstone, tuff.

早石炭世两个断片由玄武岩和灰白色、紫红色放射虫硅质岩、硅质泥岩、凝灰岩组成。

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The two early carboniferous fragments are composed of basalt and ash - black, fuchsia radiolaria silicalite, siliceous mudstone, tuff.

早石炭世两个断片由玄武岩和灰白色、紫红色放射虫硅质岩、硅质泥岩、凝灰岩组成。

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In the yard behind the outbuildings, the fodder stack was a smoking pile, flakes of black ash blowing off in the breeze.

NPR: E.L. Doctorow on Sherman and 'The March'

It's most common in hard maple, but also occurs in birch, ash and, in rare cases, black walnut.

NPR: Excerpt: 'A Splintered History Of Wood'

In younger ash there is a distinctive smooth silver grey bark and sooty black buds.

BBC: The heartbreak of watching the slow death of ash trees