. Acta Academiae Aboensis. Science; Mathematics. Fig. 1. Famatina granite (aplitic type) of primary habit. The pale individuals are quartz, the darker perthitic potash feldspar. Nie. +. Magn. 20 X, Sierra de Sano- gasta. On the road Puerto Alegre— Fig. 2. Famatina granite, crushed. Nie. +. Magn. 20 X. Sierra de Sanogasta. On the road Puerto Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Åbo ak

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. Acta Academiae Aboensis. Science; Mathematics. Fig. 1. Famatina granite (aplitic type) of primary habit. The pale individuals are quartz, the darker perthitic potash feldspar. Nie. +. Magn. 20 X, Sierra de Sano- gasta. On the road Puerto Alegre— Fig. 2. Famatina granite, crushed. Nie. +. Magn. 20 X. Sierra de Sanogasta. On the road Puerto Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Åbo akademi (1918- ). Åbo : Åbo akademi

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectm, booksubjectscience