Answers are grounded in this paper and cite their sources.
In the swamps of North Myanmar lies some of the oldest stone in the world. Burmese amber (burmite) is more than 100 million years old ([ 1 ][1], [ 2 ][2]). Unlike more recent ambers from the Baltic Sea ([ 3 ][3]), Dominica ([ 4 ][4]), and India ([ 5 ][5]), burmite formed in the early Cretaceous
No takes yet. Share an insight, caveat, or question.
Wang et al. (2016) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: