Warm water aquifers

Warm water aquifers would be a rare variant of the normal aquifer, they would have deposits of calcite lining there walls and would hav water tendrils reaching up to the surface to form colorful springs and geysers, bottoms of springs would have a varient of calcite called infected calcite which would appear different colors depending on how many other infected calcite are around it, the most appearing deep blue, the middle appearing a light cyan, and the least to appearing yellow to red