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An educational diagram of the earth's cross-section, illustrating how crude oil and natural gas form under the ocean from deceased organisms through sediment, pressure, and heat, with an oil rig drilling into the layers.

An educational diagram of the earth's cross-section, illustrating how crude oil and natural gas form under the ocean from deceased organisms through sediment, pressure, and heat, with an oil rig drilling into the layers.
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Ein einfaches, farbiges Lehrbild im Querschnitt durch die Erde. Oben ist das Meer mit Fischen und Algen, darunter mehrere Gesteinsschichten (Sand, Ton, Kalk). Tote Meerestiere und Pflanzen sinken auf den Boden, werden von Sedimenten bedeckt und verwandeln sich durch Druck und Wärme über Millionen Jahre zu Erdöl und Erdgas. Pfeile und kurze Beschriftungen zeigen die Schritte: „Abgestorbene Lebewesen“, „Sedimente“, „Druck & Wärme“, „Erdöl und Erdgas“, „Bohrung“. Stil: klare Linien, leicht zu verstehen, für Schule geeignet. See more

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