関連する実験動画

Updated: Jul 12, 2026

Simulation of the Planetary Interior Differentiation Processes in the Laboratory
06:04

Simulation of the Planetary Interior Differentiation Processes in the Laboratory

Published on: November 15, 2013

インド東部の3億8千万年前の地殻とマントルの初期の分化

A R Basu, S L Ray, A K Saha

    Science (New York, N.Y.)
    |June 26, 1981
    PubMed
    まとめ

    新しいサマリウム・ネオジミウム年代測定は,インド東部のアルケア期地殻の進化を明らかにし,岩は37.75億年前に遡ります. これは以前のルビジアム-ストロンチウム年代測定と対照的であり,複雑な地質学的プロセスと初期のマントルの分化を示唆している.

    さらに関連する動画

    Metal-silicate Partitioning at High Pressure and Temperature: Experimental Methods and a Protocol to Suppress Highly Siderophile Element Inclusions11:50

    Metal-silicate Partitioning at High Pressure and Temperature: Experimental Methods and a Protocol to Suppress Highly Siderophile Element Inclusions

    Published on: June 13, 2015

    Atom Probe Tomography Analysis of Exsolved Mineral Phases08:14

    Atom Probe Tomography Analysis of Exsolved Mineral Phases

    Published on: October 25, 2019

    関連する概念動画

    Conditions on Early Earth02:06

    Conditions on Early Earth

    Around 4 billion years ago, oceans began to condense on earth while volcanic eruptions released nitrogen, carbon dioxide, methane, ammonia, and hydrogen into the primordial atmosphere. However, organisms with the characteristics of life were not initially present on earth. Scientists have used experimentation to determine how organisms evolved that could grow, reproduce, and maintain an internal environment.
    Conditions on Early Earth02:06

    Conditions on Early Earth

    Around 4 billion years ago, oceans began to condense on earth while volcanic eruptions released nitrogen, carbon dioxide, methane, ammonia, and hydrogen into the primordial atmosphere. However, organisms with the characteristics of life were not initially present on earth. Scientists have used experimentation to determine how organisms evolved that could grow, reproduce, and maintain an internal environment.
    The Fossil Record02:56

    The Fossil Record

    The fossil record documents only a small fraction of all organisms that have ever inhabited Earth. Fossilization is a rare process, and most organisms never become fossils. Moreover, the fossil record only exhibits fossils that have been discovered. Nevertheless, sedimentary rock fossils of long-lived, abundant, hard-bodied organisms dominate the fossil record. These fossils offer valuable information, such as an organism's physical form, behavior, and age. Studying the fossil record helps...
    Isothermal Processes01:21

    Isothermal Processes

    A thermodynamic process that occurs at constant temperature is called an isothermal process. Heat slowly flows into the system or out of the system to maintain thermal equilibrium. Processes involving phase changes like water evaporation into steam or freezing water into ice at a constant temperature are examples of Isothermal Processes.
    An ideal gas can also undergo isothermal expansion or compression.
    For example, consider 1 mole of an ideal gas inside an isolated cylinder at initial volume V...
    Diversity of Archaea III01:27

    Diversity of Archaea III

    Crenarchaeota, a prominent phylum of Archaea, is remarkable for its ability to thrive in extreme environments characterized by high temperatures and acidity. These microorganisms inhabit sulfuric hot springs, volcanic systems, and submarine hydrothermal vents, where temperatures often exceed 100°C. The unique adaptations of Crenarchaeota not only allow survival under such extreme conditions but also provide insights into the mechanisms of life in primordial Earth-like environments.Morphological...
    Diversity of Archaea I01:30

    Diversity of Archaea I

    Archaea, a domain of single-celled microorganisms, are classified into five major phyla based on genetic and biochemical characteristics: Euryarchaeota, Crenarchaeota, Thaumarchaeota, Korarchaeota, and Nanoarchaeota. Among these, the phylum Euryarchaeota is notable for its remarkable diversity in morphology, metabolism, and ecological adaptations.Morphological and Metabolic DiversityMembers of Euryarchaeota exhibit a variety of cellular shapes, including rods and cocci. Their metabolic pathways...