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.)

Remote Sensing, Free Full-Text

Basalt - Wikipedia

The Early Miocene Markagunt Megabreccia - Utah Geological Survey

Tuff Rock Properties, Formation, Uses » Geology Science

Breccia - an overview

Mylonite - Geology Superstore

Tuff - Igneous Rocks

Pegmatite mineral resources of Ontario - Geology Ontario

Pyroclastic-rock: Mineral information, data and localities.

Figure 1 from Mineral Exploration and Alteration Zone Mapping Using Mixture Tuned Matched Filtering Approach on ASTER Data at the Central Part of Dehaj-Sarduiyeh Copper Belt, SE Iran

File:Volcanic breccia (Upper Oligocene, 25 Ma; Narbona Pass Maar Volcano, near the summit of the Chuska Mountains, Navajo Volcanic Field, New Mexico, USA) 15.jpg - Wikimedia Commons