fig02.htm

Figure 2. Example of geochemical thermometry for the Skaergaard MBS rocks. Lines correspond to the equilibrium crystallization trajectories calculated at 1 atm and QFM conditions for six contact gabbros; the temperature of 1165 pm 10oC is assumed to indicate the initial temperature for the trapped liquid [Ariskin, 1999]. Experimental data: circles are residual liquids for the Marginal Border Series pristine rocks [Hoover, 1989]; diamonds are those obtained for the Lower and Middle Layered Series rocks [McBirney and Nakamura, 1973; McBirney and Naslund, 1990].


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