Ancient Acasta River gneiss specimen displaying complex folded bands of pink feldspar and grey quartz.
Schlüsselwörter
gneiss,
metamorphic,
rock,
specimen,
folding,
mineral,
geology,
petrography,
earth,
science,
collection,
feldspar,
quartz,
pink,
grey,
banded,
crystalline,
natural,
stone,
macro,
photograph,
horizontal,
no people,
nobody,
geologic,
sample,
structural,
light,
dark,
ancient,
petrology,
mineralogy,
research,
education
Deutsch
