Under the conditions of metamorphism the calcite in the limestone recrystallizes to form a rock that is a mass of interlocking calcite crystals. A related rock, dolomitic marble, is produced when dolostone is subjected to heat and pressure. Photo Gallery: The Many Uses of Marble.nder the conditions of metamorphism the calcite in the limestone recrystallizes to form a rock that is a mass of interlocking calcite crystals. A related rock, dolomitic marble, is produced when dolostone is subjected to heat and pressure. Photo Gallery: The Many Uses of Marble.
1 Smoke the ribs at 225Â°F to 250Â°F for four to five hours. 2  You can baste or mop the ribs occasionally if you like, but donât open the grill too often. 3  Maintaining a steady temperature is the most important thing.
Place ribs, meaty side up, on grill rack over drip pan but not over coals, or use a rib rack placed over the drip pan. Cover and grill for 1-1/4 to 1-1/2 hours or until ribs are tender, adding more coals and wood chips as necessary. 4. Brush with the 1/4 cup barbecue sauce. Grill ribs for 5 minutes more.Serve with additional bottled barbecue sauce. Makes 6 servings.over and grill for 1-1/4 to 1-1/2 hours or until ribs are tender, adding more coals and wood chips as necessary. 4. Brush with the 1/4 cup barbecue sauce. Grill ribs for 5 minutes more. Serve with additional bottled barbecue sauce. Makes 6 servings.