Search SEDIS
Data sets | Publications | Expeditions | Thesaurus |
igneous rocks | |
---|---|
NT | feldspathoid rocks |
hypabyssal rocks | |
peperite | |
picrite | |
picrite porphyry | |
plutonic rocks | |
porphyry | |
pyrolite | |
vitrophyre | |
volcanic rocks | |
RT | acidic composition |
agglomerate | |
alkalic composition | |
alteration | |
amygdules | |
andesitic composition | |
aphanitic texture | |
ash flows | |
autometamorphism | |
banded structures | |
basaltic composition | |
basement | |
batholiths | |
calc-alkalic composition | |
calcic composition | |
chemical prop | |
SN | Used to describe crystalline rocks of primary origin (list H). Before 1981, beresite was included as a narrower term. See List H. |