Qaull hlaud, L,,tfrlu>n Harhonr-X pinkisli-l)rown rock, much 

 AvciitluM'ed to rusty l)r<nvn, not shewing porphyritic luinerals. S.G. 

 'l--i\. Section : C round-mass very abunclan't, cry^tallitic, longu- 

 litii.\ witli minute specks of linionite, en<;]osin<j felspar niici'olites 

 and latl)s up to -O:^ in lenjrth. Porphyritic minerals are })lagioclase 



length. Linionite lias almost entirely replaced the magnetite. 



posed, contniniiig frMgments of pumice and conspicuou.s felspars. 



uc minerals are plagioclase 

 The felspar crystals go to 

 ) is present. Cox, Reports 



'elspar(cliietly sanidii 



of"'tVrs]',ar"''"The 



plagio.-""!- 



Hutton, Rep. (Jeol. Expl. 



