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Related Experiment Video

Updated: May 14, 2026

Simulation of the Planetary Interior Differentiation Processes in the Laboratory

Simulation of the Planetary Interior Differentiation Processes in the Laboratory

Published on: November 16, 2013

Asteroids and andesites.

Richard Arculus¹, Ian H Campbell, Scott M McLennan

¹Research School of Earth Sciences, Australian National University, Canberra, Australian Capital Territory 0200, Australia. Ross.Taylor@anu.edu.au

|May 30, 2009

Summary

This summary is machine-generated.

This study challenges the claim that certain meteorites represent a new way to form andesite crusts on asteroids. Analysis shows existing theories for andesite generation are still valid.

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Laboratory Drop Towers for the Experimental Simulation of Dust-aggregate Collisions in the Early Solar System

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Published on: June 5, 2014

Scattering And Absorption of Light in Planetary Regoliths

Scattering And Absorption of Light in Planetary Regoliths

Published on: July 1, 2019

Related Experiment Videos

Last Updated: May 14, 2026

Simulation of the Planetary Interior Differentiation Processes in the Laboratory

Simulation of the Planetary Interior Differentiation Processes in the Laboratory

Published on: November 16, 2013

Laboratory Drop Towers for the Experimental Simulation of Dust-aggregate Collisions in the Early Solar System

Laboratory Drop Towers for the Experimental Simulation of Dust-aggregate Collisions in the Early Solar System

Published on: June 5, 2014

Scattering And Absorption of Light in Planetary Regoliths

Scattering And Absorption of Light in Planetary Regoliths

Published on: July 1, 2019

Area of Science:

Planetary Science
Geochemistry

Background:

Terrestrial andesite production in subduction zones is well-understood.
A recent study proposed a novel mechanism for andesite crust generation on asteroids using meteorites GRA 06128 and GRA 06129.

Discussion:

This work re-evaluates the compositional data, specifically rare-earth elements (REEs) and other lithophile elements, presented for meteorites GRA 06128 and GRA 06129.
The presented data do not support the claim of a new mode of andesite generation.

Key Insights:

The compositional data, particularly REEs, do not substantiate the proposed novel mechanism for asteroid andesite formation.
Existing geological mechanisms for andesite generation remain valid and do not require revision based on this evidence.

Outlook:

Further investigation into meteorite compositions is needed to fully understand planetary crust formation.
This study highlights the importance of rigorous data analysis in validating new scientific hypotheses regarding planetary geology.