資料來源 : pyDict

岩石記述學

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Petrography \Pe*trog"ra*phy\, n. [Petro + -graphy.]
   1. The art of writing on stone.

   2. The scientific description of rocks; that department of
      science which investigates the constitution of rocks;
      petrology.