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John Clema

John Clema is a professional geologist with decades of experience in mining.

Most Recent Articles by John Clema:

Past, present and future progress requires mining

Past, present and future progress requires miningCivilization’s progress has always been heavily dependent on farming and mining. The Stone Age didn’t end because mankind ran out of stones. Instead, the discovery, mining and processing of metals like copper, bronze and iron, followed by the development of steel, led to progressively sharper, more effective tools, improved construction techniques, and other engineering and technological achievements. Nonmetallic minerals have also been and remain vital to civilization and progress.
- Wednesday, August 7, 2019

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