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.
Grilling spare ribs can take up to six hours, says AmazingRibs.com, while baby back ribs may take as long as four hours to grill. To cut down on the grilling time, you can steam ribs up to two days in advance.Pre-steamed ribs can be grilled in approximately 15 minutes, according to Good Housekeeping. Pork and beef ribs are high in cholesterol and saturated fat.rilling spare ribs can take up to six hours, says AmazingRibs.com, while baby back ribs may take as long as four hours to grill. To cut down on the grilling time, you can steam ribs up to two days in advance.