1.

The Eltville Tephra, a late pleistocene widespread tephra layer in Germany, Belgium and Netherlands ; Symptomatic compositions of the minerals

2.

The Eltville Tephra, a late pleistocene widespread tephra layer in Germany, Belgium and Netherlands ; Symptomatic compositions of the minerals

3.

The Eltville Tephra, a late pleistocene widespread tephra layer in Germany, Belgium and Netherlands ; Symptomatic compositions of the minerals

4.

The Eltville Tephra, a late pleistocene widespread tephra layer in Germany, Belgium and Netherlands ; Symptomatic compositions of the minerals

5.

The Eltville Tephra, a late pleistocene widespread tephra layer in Germany, Belgium and Netherlands ; Symptomatic compositions of the minerals

6.

The Eltville Tephra, a late pleistocene widespread tephra layer in Germany, Belgium and Netherlands ; Symptomatic compositions of the minerals

7.

The Eltville Tephra, a late pleistocene widespread tephra layer in Germany, Belgium and Netherlands ; Symptomatic compositions of the minerals

8.

The Eltville Tephra, a late pleistocene widespread tephra layer in Germany, Belgium and Netherlands ; Symptomatic compositions of the minerals

9.

The Eltville Tephra, a late pleistocene widespread tephra layer in Germany, Belgium and Netherlands ; Symptomatic compositions of the minerals