Dear all,

Kindly attach this paper if any one have,

Johnson, M. C., and Rutherford, M. J., 1989, Experimental calibration of the aluminum-in-hornblende geobarometer with application to Long Valley Caldera (California) volcanic rocks: Geology, v. 17, no. 9, p. 837-841.

Thank you in advance


with warm regards,
J Ponting