palagonite tuff meaning in Hindi

Examples

1. All the islands have been built up in submarine eruptions and consist of alternating layers of palagonite tuff and lava.
2. "' Palagonite tuff "'is a tuff composed of sideromelane fragments and coarser pieces of basaltic rock, embedded in a palagonite matrix.
3. The internal structure of this volcano, which is in height above sea level ( at Pico das Cruzinhas ), is marked by layers of basaltic pyroclasts of various thicknesses ( between centimetres and metres thick ) forming a lithificated palagonite tuff.