Assertion: dolomite's value | /r/HasProperty | figure
Facets:
Source sentences:
text: Assuming an average geothermal gradient of 36°C/1,000 meters (or 2°F/100 feet) for Ghawar and a present-day depth of burial of about 1980 meters (or 6,500 feet), δ18O values for Arab-D dolomites have probably shifted -2 to -3‰ PDB on average from their initial value (Figure 12).