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Concretion
01
コンクリート
the union of diverse things into one body or form or group; the growing together of parts
02
コンクリート
an increase in the density of something
03
岩石の中に形成された硬くて緻密な鉱物の塊
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)
例
Geologists use concretions as markers to correlate rock layers in different areas.
Concretions often form around fossils, preserving them in sedimentary layers.
Geologists collect concretions for analysis to learn about past depositional conditions.
Geologists study concretions to understand sedimentary rock formations.
The size and shape of concretions provide clues about ancient environments.
