Karst CaCO3 + H2CO3 &lt;--&gt; Ca2+ + 2[HCO3] limestone carbonic calcium bicarbonate rock acid Carbonic acid H2CO3 &lt;--&gt; H2O + CO2 dissolves best under cold and lots of organic acids FORMS SHOWN IN SLIDES: KARREN- surface grooves in limestone DOLINES: sinkholes CAVERNS Speloethems - flowstone - cave popcorn, spaghetti - stalagtites, stalagmites Form at water table, as it fluctuates up &amp; down 3.
(Ca2+ + 2[HCO3] limestone carbonic calcium bicarbonate rock acid Carbonic acid H2CO3 &lt; gt; ) (H2O + CO2; dissolves; ) Context(H2O + CO2 dissolves,List([126, 145))):(Karst CaCO3 + H2CO3 &lt; gt; ) (stalagmites; Form; L:at water table; T:as it fluctuates up &amp; down 3) (it; fluctuates up; )
H2O + CO2 dissolves,List([126, 145))
Ca2+ + 2[HCO3] limestone carbonic calcium bicarbonate rock acid Carbonic acid H2CO3 &lt H2O + CO2 Karst CaCO3 + H2CO3 &lt stalagmites it
gt dissolves gt Form fluctuates up
L:at water table T:as it fluctuates up &amp down 3