A) What mineral comprises this rock? Note that this mineral will react with a weak solution of HCl acid. B) What is the texture of the rock used for the columns? Note the small spherical objects in the rock. What are these? Are these rocks Igneous, Sedimentary, or Metamorphic? Name this rock. C) Based on the texture and rock type determined above, did these rocks form at/near the Earth's surface or at depth? In which type of depositional environment(s) may this rock have formed? E) Do you think that the rock for the columns could have been quarried locally? Why or why not? D) Do the rocks that were used for the entrance steps appear to be the same as the rock used to make the columns and portico? If not, what kind of rock was used in the steps?.