Calcareous sinter | ????????????? ?????

Calcareous sinter is a freshwater calcium carbonate deposit, also known as calc-sinter. Deposits are characterised by low porosity and well-developed lamination. ??????????? ????? ????? ??? ?????? ????? ???????? ????????? ????????, ?????? ?????? ?? calc-????????????. ?????????? ??????????????? ??? ?????? ??????? ??? ???? ??????????? ??????????????.

Calcareous or calc sinter is a freshwater, which is coming from the top of the rock, calcium carbonate deposit, also known as calc-sinter (synonym travertine). Characteristical for this kind of deposit are a low porosity and a well developed lamination. Calcareous sinter is often mixed up with the term siliceous sinter, which is mostly used in the context of sinter. In order to avoid this misunderstanding it is widely accepted to use the term "sinter" only for siliceous spring deposits and do not use it for calcareous deposits entirely. Deposits are formed from either calcite or aragonite. Precipitation is brought about by degassing of CO2, which decreases the solubility of calcite/aragonite.

????????????? ? calc ????? ????? ??? ?????? ?????, ?? ????? ?????????? ??? ??? ?????? ??? ??????, ???????? ????????? ????????, ?????? ?????? ?? calc-???????????? (?????????? ????????). ?????????????? ??? ???? ?? ????? ??? ????????? ????? ??? ?????? ??????? ??? ??? ???? ??????????? ??????????????. ????????????? ????? ????? ????? ?????????? ?? ??? ??? ???????? ?????, ? ????? ??????????????? ?????? ??? ??????? ??? ????????????. ??? ?? ?????????? ???? ? ????????? ????? ?????? ???????? ?? ????????????? ??? ??? "?????" ???? ??? ???????? ?????????? ?????? ??? ??? ?? ????????????? ??? ?????????????? ????????? ???????. ?????????? ????????????? ???? ??? ?????????? ? ??????????. ???????? ?????????? ?? ???????? ??? CO2, ?? ????? ??????? ??? ??????????? ??? ????????? / ??????????.

To log this Earthcache:
Find the long stalagnat shown in picture 1 and meassure the length.
Find the chamfered egde shown in picture 2, measure it's thikness and guess how long it needed to grow.
Email me the two answers (in german or english) using my geocaching profile.

??? ?? ?????????? Earthcache ????:
?????? ?? ????? stalagnat ???????? ???? ?????? 1 ??? meassure ?? ?????.
?????? ?? ???? ??????? ???????? ???? ?????? 2, ??????? thikness ??? ??? ??????? ???? ????? ?????????? ??? ?? ??????????.
??????? e-mail ?? ??? ??? ?????????? (??? ????????? ? ???????), ??????????????? ?? ?????? geocaching ???.

Optional: Take a picture of you or your gps-unit in front of the sinter and add it to your log.

???????????: ????? ??? ?????? ??? ???? ? ??? gps ?????? ??????? ??? ??? ?????? ??? ????????? ?? ??? ?????????? ???.

  PrefixLookupNameCoordinate AN ANS Answers (Reference Point) ???    Note: Answer 1: About 2 metersAnswer 2: About 20 centimeters, which means about 15000 years.(Average grow rate 0,13 mm/year)