Columbia subject headings:
Harvard subject headings:
Lunar geology--Congresses.
Lunar mineralogy--Congresses.
Lunar petrology--Congresses.
Magmatism--Congresses.
Magmatism--Moon--Congresses.
Moon--Congresses.
Moon--Exploration--Congresses.
Volcanism--Congresses.
Volcanism--Moon--Congresses.
Princeton subject headings:
Basalt--Congresses.
Lunar petrology--Congresses.
Volcanism--Congresses.