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Concretion
01
凝縮, 集約
the union of diverse things into one body or form or group; the growing together of parts
02
固結, 濃縮
an increase in the density of something
03
コンクレッション, 硬い塊
a hard lump or mass formed in sedimentary rock by natural cementing processes
04
コンクリート
the formation of stonelike objects within a body organ (e.g., the kidneys)
con
crete
concretion
n
concrete
v
例
Geologists use concretions as markers to correlate rock layers in different areas.
Concretions often form around fossils, preserving them in sedimentary layers.
Geologists study concretions to understand sedimentary rock formations.
Geologists collect concretions for analysis to learn about past depositional conditions.
The size and shape of concretions provide clues about ancient environments.
