All fibrous formations form from saturated solutions being squeezed out of pores in the bedrock (usually limestone)and depositing at they hit air.

• 所有纤维状沉积物都是由基岩（通常是石灰岩）的孔隙中受压的饱和溶液形成的，当他们遇到空气，就结晶沉积下来。