Desirability Points and Rock Ranking Rock Type Hardness Granular Porosity Luster TOTAL POINTS RANKING limestone basalt obsidian pumice sandstone slate granite gneiss Based on desirability points, what are the most important and least important rock properties for Do you notice a highly ranked rock that did not designing and building caverns, tunnels and make your top three potential locations? With underground structures? this new information, if necessary, revise your Most important rock property: top three potential locations in the table below. ____________________________________ Location Explanation why Least important rock property: ____________________________________ Look again at the top three locations you listed during Activity 3. Do your top three sites rank in the top three rock types? Fill in the table below with your site evaluation. Location from Rock Ranking? Good Choice? Activity 3
Desirability Points and Rock Ranking Rock Type Hardness Granular Porosity Luster TOTAL POINTS RANKING limestone basalt obsidian pumice sandstone slate granite gneiss Based on desirability points, what are the most important and least important rock properties for designing and building caverns, tunnels and underground structures? Most important rock property: ____________________________________ Least important rock property: ____________________________________ Look again at the top three locations you listed during Activity 3. Do your top three sites rank in the top three rock types? Fill in the table below with your site evaluation. Location from Activity 3 Rock Ranking? Good Choice? Do you notice a highly ranked rock that did not make your top three potential locations? With this new information, if necessary, revise your top three potential locations in the table below. Location Explanation why