Tuff-breccia: Mineral information, data and localities.

A pyroclastic-rock where there is at least 25% of each of the main fragment size divisions (i.e. block/bomb, lapilli and ash.)

This particular volcanic igneous rock is composed of volcanic ash and many fragments (clasts) of other igneous rocks that were

tuff breccia - large hand/display specimen of a spectacular pink tuff breccia

Breccia: Sedimentary Rock - Pictures, Definition, Formation

Origin of widespread, exceptionally thick basaltic phreatomagmatic tuff breccia in the Middle Jurassic Prebble and Mawson Formations, Antarctica - ScienceDirect

Quartz – WGNHS – UW–Madison

Probe Gold Intersects up to 1.17% Copper over 9.5m and expands the Cu-Au-Ag-Mo Mineralized system on the Midland Exploration Inc, La Peltrie Option Property, Detour Quebec

Breccia: Mineral information, data and localities.

Lherzolite Rock Composition and Occurrence

Remote Sensing, Free Full-Text

Tuff-breccia: Mineral information, data and localities.