Geology

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

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

Geology 11 Best Caves in Scotland (Plus How to Reach Each One) Most roundups of caves in Scotland read like folklore anthologies. You get Robert the Bruce and his spider,… September 10, 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

Geology Every Volcano in India: Active, Dormant, and Extinct Table of Contents TLDR India has exactly one confirmed active volcano — Barren Island in the Andaman Sea,… September 1, 2026

Geology California’s 8 Active Volcanoes, Ranked by Risk TLDR California has 8 active volcanic areas monitored around the clock by the USGS California Volcano Observatory (CalVO).… September 1, 2026

Geology Volcanoes in Spain: Where They Are and Which Are Active TLDR Spain has active volcanoes, but only in one place: the Canary Islands. Tenerife’s Mount Teide is the… August 31, 2026

Geology Volcanoes in Sweden: The Skåne Field You Never Knew Table of Contents Quick Answer Sweden has no active volcanoes, and hasn’t for roughly 110 million years. But… August 31, 2026