Orogenic gold deposits have formed over more than 3 billion years of Earth's history,
episodically during the Middle Archean to younger Precambrian, and continuously …

The Witwatersrand Basin formed over a period of 360 Ma between 3074 and 2714 Ma.
Pulses of sedimentation within the sequence and its precursors were episodic, occurring …

A comparative in situ LA-ICP MS trace-element study on pyrite from three different, variably
auriferous, Archaean to Palaeoproterozoic palaeoplacer deposits in the Ouro Fino Syncline …

THE hypothesis1 that late Cenozoic uplift of many of the world's mountain ranges was a
response to climate change rather than to tectonic processes is based on the premise that …

A compilation of microprobe fineness data and a re-evaluation of bullion production fineness
data suggest that the gold fineness model of Fisher (1945) can be updated and applied to a …

The contributions of this book arose from a conference on ''Mineralogy and analytics of
highpurity SiO2 raw materials''held in June 2011 in Freiberg, Germany. The 15 chapters are …

Humic substances are complicated, naturally occurring organic compounds of high
molecular weight. Owing to the presence of functional groups containing oxygen, and to a …

The origin of the gold mineralization in the Witwaterstrand basin of South Africa—the largest
known gold province—has been controversial for decades, with arguments favouring …

The Witwatersrand gold fields in South Africa, the world's largest gold-producing province,
play a pivotal role in the reconstruction of the Archaean atmosphere and hydrosphere. Past …

Mineral deposits exhibit heterogeneous distributions, with each major deposit type showing
distinctive, commonly unique, temporal patterns. These reflect a complex interplay between …