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Lunar and terrestrial ilmenite basalt.

S S Goldich

    Science (New York, N.Y.)
    |March 26, 1971
    PubMed
    Summary
    This summary is machine-generated.

    A Minnesota basalt hornfels, rich in titanium dioxide, shares similarities with Apollo 11 lunar samples. Its texture mirrors that found in both terrestrial Keweenawan rocks and lunar samples.

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    Area of Science:

    • Geology
    • Mineralogy
    • Planetary Science

    Background:

    • The Keweenawan Duluth complex in Minnesota contains unique geological formations.
    • Lunar samples, such as those from Apollo 11, provide critical insights into extraterrestrial geology.
    • Titanium dioxide is a significant component in various rock types, influencing their properties.

    Purpose of the Study:

    • To analyze the mineralogical and textural characteristics of a specific basalt hornfels from the Keweenawan Duluth complex.
    • To compare these characteristics with those of lunar samples, particularly from the Apollo 11 mission.
    • To investigate potential textural similarities between terrestrial and extraterrestrial rock formations.

    Main Methods:

    • Petrographic analysis of the basalt hornfels.

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  • Geochemical analysis to determine titanium dioxide content.
  • Comparative textural analysis with documented lunar rock textures.

    • Main Results:

    • The analyzed basalt hornfels contains 7% titanium dioxide by weight.
    • Significant similarities were observed between the hornfels texture and primary textures in Apollo 11 lunar rocks.
    • The hornfels texture also resembles textures found in other Keweenawan rocks.

    Conclusions:

    • The basalt hornfels from the Keweenawan Duluth complex exhibits notable similarities to Apollo 11 lunar samples.
    • Textural resemblances suggest potential common geological processes or origins for certain terrestrial and lunar rock features.
    • Further research may elucidate the implications of these similarities for understanding planetary geology.