Dripstone decoration is poor and suffered fracturing by young tectonic processes, which is obvious from fresh rupturing of the
dripstones (Fig.
Marengo Cave in Marengo has the
Dripstone Trail, with huge corridors of slender totem pole stalagmites.
381), but also in caves on
dripstone and flowstone speleothems composed of calcite, epsomite, goethite, and even mud.
That Tsvetaeva had indeed begun to shift her emphasis from writing to death is corroborated by a letter to Ivask, written in April of the same year, which introduces the themes she was to develop in 'Est schastlivtsy i schastlivitsy': [TEXT NOT REPRODUCIBLE IN ASCII.] Frau Holle (NB: TO [??]E!) (Holle-Holle)' ('There is [...] only one crevice: into the depth, out of time, a crevice leading into the
dripstone caves of pre-history: into the underground kingdom of Persephone and Minos--where Orpheus said farewell: into HA-DES.
Rock formations made from dripping water are called
dripstone. Sometimes the dripping water just reaches the roof of a cave and then starts to evaporate.