Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Carlsbad Caverns National Park' has mentioned 'Gypsum' in the following places:
Occurrence Sentence Text Source
The presence of gypsum within the cave is a confirmation of the occurrence of this process, as it is a byproduct of the reaction between sulfuric acid and limestone.
Talcum Passage A room located in Lower Cave where the floor is coated with gypsum dust.
Lechuguilla Cave exhibits rare and unique speleothems, including the largest accumulation of gypsum xe2x80x9cchandeliers,xe2x80x9d some of which extend more than six meters (18 feet) in length.
These speleothems include helictites forming underwater, calcite and gypsum speleothems, and an astonishing collection of xe2x80x9cbiothems,xe2x80x9d cave formations assisted in their formation by bacteria.