What does OPK stand for?
OPK stands for "Other Pyroclastic Kimberlite"
How to abbreviate "Other Pyroclastic Kimberlite"?
"Other Pyroclastic Kimberlite" can be abbreviated as OPK
What is the meaning of OPK abbreviation?
The meaning of OPK abbreviation is "Other Pyroclastic Kimberlite"
What does OPK mean?
OPK as abbreviation means "Other Pyroclastic Kimberlite"
