Logfile of the micrometeorite database on https://www.micrometeorites.org/database

2021-05-29: [initial setup] 315 new datasets of urban micrometeorites added (THMM312-THMM551, THMM558-THMM632), among them 48 with data of sections.
2021-08-21: Text note about relict minerals added in the description for THMM382, THMM387, THMM406, THMM450, THMM453, THMM460, THMM465, THMM536, THMM542.
2021-08-21: Database filter category "Surface properties" renamed into "Other surface properties".
2021-08-21: 133 new datasets of urban micrometeorites added (THMM191-THMM311, THMM633-THMM644), among them 17 with data of sections.