Description. A tuff site in the bog formations of the neighbouring Strohner Maar is ascribed to the Pulvermaar and is therefore older than the Pulvermaar. Early pollen analyses of the bogs gave an age for the tuff site – and thus the Pulvermaar – of about 10,050 years.: 322f More recent studies show, however, underwater terraces at greater depth as well as ice wedges inside the tephra ...
