Neoarchean (2.7 giga year old) Banded Iron Formation, jaspilite
Keywords
banded,
iron,
formation,
age,
america,
anaerobic,
ancient,
beautiful,
canada,
chert,
dark,
dense,
earth,
geology,
giga,
jasper,
lacquer,
lacquered,
lake,
magnetite,
nature,
north,
ocean,
old,
lake ontario,
oxide,
oxygen,
red,
rich,
rock,
science,
scientific,
sedimentary,
silicate,
sparkling,
specular,
year