Tuff is part of WikiProject Geology, an attempt at creating a standardized, informative, comprehensive and easy-to-use geology resource. If you would like to participate, you can choose to edit this article, or visit the project page for more information.
Don't panic; a discussion will now take place over on Commons about whether to remove the file. This gives you an opportunity to contest the deletion, although please review Commons guidelines before doing so.
If the image is non-free then you may need to upload it to Wikipedia (Commons does not allow fair use)
If the image isn't freely licensed and there is no fair use rationale then it cannot be uploaded or used.