[Tagging] geology taggin?

hi, Is there any tag for tagging geology of the ground: for example that it's formed by clay, or by volcanic rocks...? Thanks a lot, Xan PS: Please Ccme. ___ Tagging mailing list Tagging@openstreetmap.org http://lists.openstreetmap.org/lis

[Tagging] natural protection tag new proposal comments

Hi, I made a new proposal of natural_protection tag (section new proposal of http://wiki.openstreetmap.org/wiki/Talk:Proposed_features/Key:natural_protection). Can you comment it? I'm still a newbee so before making a definitive proposed page, I want to know your opinion. Thanks in advance