Earth science
Articles about geology, climate, oceans and the planet.
Basalt
Basement (geology)
Basement (geology): crystalline and metamorphic rocks beneath sedimentary cover
Bathymetry
Beach erosion
Bed (geology)
Bed (geology): the smallest stratigraphic rock unit and its significance
Bedrock
Bentonite
Biosphere
Black smoker
Blake River Megacaldera Complex
Blue Lias
Bornhardt
Bornhardt: dome-shaped inselbergs and their geology
Boulder
Boulder (large rock) — definition, formation, uses and distinctions
Breccia
Breccia: composition, formation, types, and uses
Burgess Shale
Burgess Shale: a Middle Cambrian fossil lagerstätte in the Canadian Rockies
Ca-Al-rich inclusions
Calcium–Aluminum‑rich inclusions (CAIs)
Cainozoic
Calcite
Calcite: common calcium carbonate mineral and its properties
Caldera
Caldera (volcanic collapse formation)
Caledonian orogeny
California Current
California Current: Cold Eastern Boundary Current of the Northeast Pacific
Calymmian
Cambrian
Cambrian period — early Palaeozoic interval of rapid animal diversification
Canadian Hurricane Centre
Canadian Hurricane Centre — role, operations and notable storms
Canadian Shield
Canadian Shield (Laurentian Plateau)
Canary Current
Carbon cycle
Carbon cycle: movement of carbon through Earth's systems
Carbon sequestration
Carbon sequestration: methods, storage, and role in climate mitigation
Carboniferous
Carboniferous Period
Cascade Volcanic Arc
A chain of volcanic centers in the Pacific Northwest stretching from British Columbia to northern California, formed by subduction and including many prominent stratovolcanoes and
Cassiterite
Cassiterite — the primary tin oxide mineral (SnO2)
Catastrophism
Cave diving
Cave diving: exploration, risks, and scientific value
Ceiling balloon
Ceiling balloon (pilot balloon) — measuring cloud base by ascent timing
Cementation
Central Atlantic magmatic province
Central Atlantic Magmatic Province: origin, characteristics, and significance
Central Pacific Hurricane Center
Cerro Bonete (Bolivia)
Cerro Bonete (Bolivia) — high volcanic peak in Sur Lípez
Chalk
Chalk: sedimentary rock and common chalk materials
Chert
Chert — a hard silica rock (flint, jasper, agate)
Chevron (geology)
Chicxulub crater
Chilcotin Group
Chilcotin Group: basaltic plateau volcanism of British Columbia
Chinese scholar's rocks
Chinese scholars' rocks: history, qualities, and cultural significance
Chinook
Chinook: the warm, snow‑melting mountain wind of the Rockies