natural asphalt Directory References Discover All 119 References in “We Didn’t Start the Fire,” Explained 10 Failed Doomsday Predictions Timeline of the American Civil Rights Movement Roman Catholic Saints Why Is the Mona Lisa So Famous? 10 Best Hockey Players of All Time 10 Great Sports Rivalries Contents natural asphalt chemical compound Ask the Chatbot a Question Ask the Chatbot a Question Also known as: brea Learn about this topic in these articles:varieties of asphalt In asphaltNatural asphalt (also called brea), which is believed to be formed during an early stage in the breakdown of organic marine deposits into petroleum, characteristically contains minerals, while residual petroleum asphalt does not. Read More