Which two rocks are primarily composed of a mineral that bubbles with acid?

To most geologists, the term "acid test" means placing a drop of dilute (5% to 10%) hydrochloric acid on a rock or mineral and watching for bubbles of carbon dioxide gas to be released. The bubbles signal the presence of carbonate minerals such ascalcite, dolomite, or one of the minerals listed in Table 1.

Hi. where is the graph?

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