Muong Nong – Southern Laos

Depending on the conditions during formation, three distinct primary types of tektites emerged – splash-form tektites (common), Muong Nong-type tektites, and microtektites. Due to their lower homogeneity, Muong Nong-type tektites are considered material that may provide more detailed insights into source rocks and the impact process than homogeneous splash-form tektites.

Unlike common tektites, Muong Nong tektites typically show no signs of aerodynamic shaping during flight. Their irregular blocky and splintered fragments are thought to be parts of a larger original mass. These tektites are characterized by their layered structure and greater internal heterogeneity. Crystalline inclusions have been identified within them – a feature absent in common tektites.

The only strewn field with a widespread occurrence of Muong Nong-type tektites is the Australasian strewn field. These tektites are found in Laos, Cambodia, Vietnam, northeastern Thailand, the southern coast of China, and the nearby island of Hainan. The tektites being offered come from the type locality of Muong Nong in southern Laos and were originally part of a larger body estimated to weigh about 200 kg.