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AMOEBOID OLIVINE AGGREGATES WITH LOW-CA PYROXENES: A GENETIC LINK BETWEEN REFRACTORY INCLUSIONS AND CHONDRULES?

Krot, ALEXANDER N., Petaev, MICHAIL I., Yurimoto, HISAYOSHI(2004). AMOEBOID OLIVINE AGGREGATES WITH LOW-CA PYROXENES: A GENETIC LINK BETWEEN REFRACTORY INCLUSIONS AND CHONDRULES?. GEOCHIMICA ET COSMOCHIMICA ACTA, 68(8), 1923-1941. https://doi.org/10.1016/j.gca.2003.10.026

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Datasets

number	title	variables analyzed
2	Representative electron microprobe analyses of low-Ca and sub-Ca pyroxenes in AOAs and AOA-like objects in carbonaceous chondrites	SiO2, TiO2, Al2O3, Cr2O3, FeO, MnO, MgO, CaO, TOTAL, FERROSILITE, WOLLASTONITE

AE1	Representative electron microprobe analyses of olivine in AOAs with low-Ca pyroxene and in AOA/Al-rich chondrule-like objects in carbonaceous chondrites	SiO2, TiO2, Al2O3, Cr2O3, FeO, MnO, MgO, CaO, TOTAL, FAYALITE

AE2	Representative electron microprobe analyses of high-Ca pyroxenes in AOAs with low-Ca pyroxene and in AOA-like object in carbonaceous chondrites	SiO2, TiO2, Al2O3, Cr2O3, FeO, MnO, MgO, CaO, K2O, TOTAL, FERROSILITE, WOLLASTONITE

AE3	Electron microprobe analyses of spinel in AOAs with low-Ca pyroxene and in AOA-like objects in carbonaceous chondrites	SiO2, TiO2, Al2O3, Cr2O3, FeO, MnO, MgO, CaO, TOTAL

AE4	Electron microprobe analyses of plagioclase in AOAs and AOA/chondrule-like objects in carbonaceous chondrites	SiO2, TiO2, Al2O3, Cr2O3, FeO, MnO, MgO, CaO, Na2O, K2O, TOTAL, ANORTHITE

Methods

	method name	laboratory	method comment	More details are available for the following variables
	ELECTRON MICROPROBE	UNKNOWN	Cameca SX50, using 15 keV accelerating voltage, 10–20 nA (for silicates) and 30 nA (for metal) current, a focused (~1–2 um) beam

AMOEBOID OLIVINE AGGREGATES WITH LOW-CA PYROXENES: A GENETIC LINK BETWEEN REFRACTORY INCLUSIONS AND CHONDRULES?

Datasets

Methods

Samples