Fossil forest - Kasekirin (English spelling)

Japanese: 化石林 - かせきりん(英語表記)fossil forest
Fossil forest - Kasekirin (English spelling)

This refers to a part of a forest from the geological era that has been preserved in its original state in the strata. They are often formed by land subsidence (or sea level rise) or rapid burial by volcanic debris. The existence of fossil forests can be detected by fossil soil and upright tree trunks and roots, and they provide good evidence for considering paleoecology and sedimentary environments. Famous examples include Tedori in Ishikawa Prefecture (Mesozoic Era), Sendai (Neogene Period), Uozu in Toyama Prefecture (Quaternary Period), as well as Arizona (Mesozoic Era) and Yellowstone (Paleogene Period) in the United States.

[Kazuhiko Uemura]

[Reference items] | Fossils | Geological period | Geological strata
Petrified Forest Layers in Yellowstone National Park
©Shogakukan ">

Petrified Forest Layers in Yellowstone National Park


Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

Japanese:

地質時代の森林の一部がそのままの状態で地層中に保存されたものをいう。陸地の沈降(または海水面の上昇)や、火山砕屑(さいせつ)物による急速な埋没によって形成されることが多い。化石林の存在は、化石土壌と直立樹幹や樹根などによって知ることができ、古生態や堆積(たいせき)環境を考えるよい証拠となる。石川県手取(てどり)(中生代)、仙台(新第三紀)、富山県魚津(第四紀)のほか、アメリカのアリゾナ(中生代)やイエローストーン(古第三紀)の例が有名である。

[植村和彦]

[参照項目] | 化石 | 地質時代 | 地層
イエローストーン国立公園の化石林層
©Shogakukan">

イエローストーン国立公園の化石林層


出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例

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