penedo do lexim, an extinct volcanic chimney near mafra and sintra, portugal.

activities activity after alkaline and beanstalk chimney close complex conditions control created cretaceous cut derived detail disjunction excellent exceptionally existence extractive for from lexim lisbon long mafra magmatic nearby occupies old over part penedo photo photography portugal portuguese position preserved prismatic prominent pulse region relief second sintra stone sunset taken that this travels upper view visual volcanic water way well wet