But volcanic rocks can be weathered or covered and disappear ... animal life both in the ocean and on the land. We suggest that felsic volcanism in South China was a key contributor to the ...

Cardamon is located 5km up-ice of goldbearing altered felsic volcanic boulders (6.72 g/t Au) and associated to well-defined kilometric gold-in-till (WI-target) anomaly. Just south of Opinaca Fault ...

On Earth, volcanic rocks can be mafic (and in fact, are the most abundant rocks on Earth, comprising the ocean floor bedrock) or they can be felsic, meaning enriched in silica (SiO 2) and depleted ...

Here we report on 4.7–0.3 Myr ago old felsic volcanic rocks from the Qiangtang, the Songpan-Ganzi, and the Central Kunlun Blocks in central and northern Tibet, some of which contain granulite ...