Fort Settlement map 5440 Elkins Road Sugar Land, TX 77479 (281) 634-6440. Garcia map 18550 Old Richmond Rd. Sugar Land, TX 77498 (281) 634-3160. Hodges Bend map 16510 Bissonnet Houston, TX 77083 (281) 634-3000. Lake Olympia map 3100 Lake Olympia Parkway Missouri City, TX 77459 (281) 634-3520. McAuliffe map 16650 South Post Oak Houston, TX 77053 (281) 634-3360. Missouri City map
Within the feldspar group, the plagioclase minerals are only differentiated from the potassium feldspars by the presence of parallel striations seen on some plagioclase cleavage surfaces. Potassium Feldspar:
Using the oxygen isotopic composition, meteoric iron composition and silicate composition pallasites are divided into 4 subgroups: 1  Main group pallasites (PMG): Almost all pallasites. 2  Eagle Station grouplet (PES): 4 specimens known. 3  Pyroxene Pallasite grouplet (PPX): Counts only Vermillion and Yamato 8451.