The comparative behavior of apatite-zircon U-Pb systems in Apollo 14 breccias: Implications for the thermal history of the Fra Mauro Formation

Earth & Environmental Sciences

• apatite 73%
• zircon 64%
• history 42%
• clast 17%
• mass spectrometry 14%
• ion 10%
• ejecta 10%
• mineral 9%
• breccia 9%
• temperature 6%
• matrix 5%
• loss 4%
• material 3%
• method 1%

Physics & Astronomy

• apatites 100%
• histories 62%
• secondary ion mass spectrometry 17%
• minerals 16%
• breccia 16%
• landing sites 14%
• ejecta 9%
• time measurement 6%
• temperature 5%
• estimates 4%
• decay 4%
• matrices 4%
• approximation 4%