Massive Australian Precambrian/Cambrian Impact Structure Massive Australian Precambrian/Cambrian Impact Structure The Massive Australian Precambrian/Cambrian Impact Structure also known as MAPCIS is a proposed impact structure based upon arguments presented by Daniel P. Connelly at Geological Society of America meetings. Its center is located approximately equidistant between Uluru (Ayers Rock) and Mount Conner in Australia's Northern Territory. The structure is approximately in diameter. However, a hypothetical outermost ring in diameter is claimed to be the result of undefined far field stresses. Connelly argues that the age of this hypothetical impact is approximately 545 mya which puts it just before the Cambrian explosion (542 mya) of the
Interpersonal attraction in the relationship feels that the personal costs of being in the relationship outweigh the rewards there is a strong chance that this person will end the relationship. For instance, the costs may outweigh the rewards due to guilt and shame. Interpersonal attraction Interpersonal attraction is the attraction between people which leads to the development of platonic or romantic relationships. It is distinct from perceptions such as physical attractiveness, and involves views of "what is" and "what is not" considered beautiful or attractive. The study of interpersonal attraction is a major area of research in social psychology. Interpersonal attraction is