Rit (Vísindafélag Íslendinga) - 01.06.1984, Blaðsíða 327

REFERENCES
323
Jakobsson, S.P., Pedersen, A.K., Rönsbo, J.G. & Melchior Larsen, L., 1973.
Petrology of mugearite-hawaiite: Early extrusives in the 1973 Heimaey eruption,
Iceland. Lithos 6, 203 — 214.
Johnson, G.L., 1975. The Jan Mayen ridge. Pp. 225 — 233 in Yorath, C. (ed.)
Canada’s continental margins and offshore petroleum exploration. Canad. Soc. Petrol.
Geol. Mem. 4.
Johnson, G.L. & Campsie, J., 1976. Morphology and structure of the western Jan
Mayen fracture zone. Norsk Polarinst. Árbok 1974, 69—81.
Kesler, S.E., Issigonis, M.J., Brownlow, A.H., Damon, P.E., Moore, W.J., North-
cote, K.E. & Preto, V.A., 1975. Geochemistry of biotites from mineralized and
barren intrusive systems. Econ. Geol. 70, 559—567.
King, B.C. & Chapman, G.R., 1972. Volcanism of the Kenya rift valley. Phil. Trans.
Roy. Soc. Lond. A 271, 185-208.
Kirk, H.J.C., 1953. The lavas and agglomerates of the Vogelberg vent, Jan Mayen.
Ph.D. Thesis (2. vol.), Univ. of Manchester, unpubl., 143—191.
Krishnamurthy, P., 1976. Atmospheric pressure melting studies of some Deccan
Trap lavas from Western India. Progr. Experim. Petrol. 3, 218—220.
Kudo, A.M. & Weill, D.E., 1970. An igneous plagioclase thermometer. Contr. Min.
Pet. 25, 52 - 65.
Kuno, H., 1950. Petrology of Hakone volcano and the adjacent areas, Japan. Geol.
Soc. Am. Bull. 61, 957-1020.
Kuno, H., 1955. Ion substitution in the diopside-ferropigionite series of clino-
pyroxenes. Am. Min. 40, 70—93.
Kuno, H., 1960. High-alumina basalt. Journ. Petrol. 1, 121 — 145.
Kushiro, I., 1960. Si-Al relation in clinopyroxenes from igneous rocks. Am.Journ. Sci.
258, 548- 554.
LeBas, M.J., 1962. The role of aluminum in igneous clinopyroxenes with relation to
their parentage. Am. Journ. Sci. 260, 267 — 288.
LeMaitre, R.W., 1962. Petrology of volcanic rocks, Gough Island, South Atlantic.
Geol. Soc. Am. Bull. 73, 1309-1340.
LeMaitre, R.W., 1965. The significance of the gabbroic xenoliths from Gough
Island, South Atlantic. Min. Mag. 34 (Tilley volume), 303 — 317.
Lindsley, D.H., 1976. Experimental studies of oxide minerals. Pp. L61—L88 in
Rumble, III, D., (ed.j Oxide minerals. Min. Soc. Am. Short Course Notes 3.
Lipman, P.W., 1971. Iron-titanium oxide phenocrysts in compositionally zoned ash-
flow sheet from Southern Nevada. Journ. Geol. 79, 438—456.
Littlejohn, A.L. & Greenwood, H.J., 1974. Lherzolite nodules in basalts from British
Columbia, Canada. Canad.Journ. Earth Sci. 11, 1288—1308.
Lofgren, G., 1974a. Temperature induced zoning in synthetic plagioclase feldspar.
Pp. 362 — 375 in MacKenzie, V.W. & Zussman, J. (eds.) Thefeldspars. Manches-
ter Univ. Press, Manchester.
Lofgren, G., 1974b. An experimental study of plagioclase crystal morphology:
isothermal crystallization. Am. Journ. Sci. 274, 243 — 273.
Longhi,J., Walker, D. & Hays,J.F., 1976. Fe and Mgin plagioclase. Proc. Lunar Sci,
Conf. 7, 1281-1300.
Lussiaa-Berdon-Polve, M. & Vidal, P., 1973. Initial strontium isotopic composition
ofvolcanic rocks from Jan Mayen and Spitsbergen. Earth Plan. Sci. Lett. 18, 333 —
338.