The Igneous Complex of Y Foel Fras, Caernarvonshire

Norman L. Silvester
1922 Geological Magazine  
Igneous Complex of undoubtedly much greater and more prolonged than was actually required for the purposes of the experiment, the temperature of the kiln being not less than 1,200 degrees Cent. The bubbles are too large to show Brownian movement. Scale-<TH.ou-satid.ttisofan. inch. FIG. 3.-Liquid inclusions obtained in glass by heating a sealed tube containing water beyond the critical temperature. P.S.-Since writing the above I have repeated the experiment with similar success, and on this
more » ... ion some of the numerous inclusions show Brownian movement of the enclosed bubble. -C. E. B.
doi:10.1017/s0016756800108830 fatcat:uw2l6vhgafhdhn55i6re7wcdqm