Field of study
Geology
297 articles
Geology
Examples of Silicate Minerals, Sorted by Structure
TLDR Silicate minerals are built from silicon-oxygen tetrahedra, and they make up roughly 90% of Earth’s crust. The…
October 13, 2026
Geology
Active Volcanoes in the DRC: Nyiragongo and Nyamuragira
Two volcanoes in the Democratic Republic of the Congo erupt in the modern record: Nyiragongo (3,470 m) and…
October 7, 2026
Geology
Volcanoes in Arizona: Where They Are and If They’ll Erupt
Contents TLDR Arizona has thousands of extinct volcanoes, three geologically young volcanic fields, and no volcano erupting today.…
October 2, 2026
Geography
Active Volcanoes in Yemen: What’s Actually Erupting
TLDR Yemen has two volcanoes with confirmed eruptions in the past 20 years: Jebel al-Tair, which erupted from…
September 15, 2026
Travel
Caves in San Marino: What You’ll Actually Find
TLDR San Marino itself has no single show cave you can walk into and buy a ticket for.…
September 15, 2026
Geology
Are There Volcanoes in Sierra Leone? Here’s the Real Answer
TL;DR No. Sierra Leone has no active volcanoes, no dormant ones, and no record of any ever erupting…
September 12, 2026
Geography
Sudan’s Natural Resources, and Why They Haven’t Paid Off
Sudan sits on more mineral wealth than most people would guess: gold deposits that rank among the largest…
September 10, 2026
Geography
Best Caves in Slovenia: A No-Nonsense Ranking (2026)
Table of Contents TLDR If you’re seeing exactly one cave, make it Škocjan — the underground canyon is…
September 10, 2026
Earth Science
The Top 10 Nickel-Producing Countries in 2026
One country now digs up roughly two out of every three tons of nickel mined on Earth. That’s…
September 1, 2026
Geology
Examples of Ores: The Complete List by Metal
Table of Contents Ore, Mineral, or Rock? Get This Straight First A mineral is a naturally occurring solid…
September 1, 2026