| GRD02EHS0 | Mylonite | Quartz-plagioclase-biotite schistose gneiss.  Well-foliated and medium- to coarse-grained. | California | 0 | Ritter 154, 14 R | 
  | GRD02P0S0 | Mylonite | Very small sample and billets.  Very fine-grained mylonite/gneiss. Original label: Mylonitic gneiss - from shear zone?. | California | 2 | Ritter 154, 24 I | 
  | GRD02P6S0 | Mylonite | Small sample of grey mylonite. Original label: Mylonite. Calif 1084-1086 are concordant with this forming a screen of metamorphic rocks SE of Muir Pass. | California | 2 | Ritter 154, 24 I | 
  | GRD02TGS0 | Mylonite | Traverse of shear zone(samples 1284-1290), between 3400 and South Fork | California | 1 | Ritter 154, 29 A | 
  | GRD02TIS0 | Mylonite | Borrego Shear Zone traverse, samples Ca 1284-1290. | California | 1 | Ritter 154, 29 A | 
  | GRD02TKS0 | Mylonite | Borrego Shear Zone traverse, samples 1284-1290, see 1284 | California | 1 | Ritter 154, 29 A | 
  | GRD02TNS0 | Mylonite | Borrego Shear Zone Traverse, samples Ca 1284-1290 | California | 1 | Ritter 154, 29 A | 
  | GRD02TOS0 | Mylonite | Borrego Shear Zone Traverse, samples Ca 1284-1290 | California | 1 | Ritter 154, 29 A | 
  | GRD02TPS0 | Mylonite | Borrego Shear Zone Traverse, samples Ca 1284-1290 | California | 1 | Ritter 154, 29 A | 
  | GRD02TVS0 | Mylonite | Borrego Shear Zone Traverse, samples Ca 1284-1290 | California | 1 | Ritter 154, 29 A | 
  | GRD02X6S0 | Mylonite | Villager Peak Mylonite, mostly quartz | California | 2 | Ritter 154, 14 B | 
  | GRD045YS0 | Mylonite | Shear zone mylonite | California | 2 | Ritter 154, 14 O | 
  | GRD0483S0 | Mylonite | Very sheared, close to mylonite. | Philippines | 1 | Ritter 154, 28 H | 
  | GRD049YS0 | Mylonite | Proto-mylonite. Some epidote stringers. | Philippines | 1 | Ritter 154, 28 E | 
  | GRD04BCS0 | Mylonite | Proto-mylonite carbonate | Philippines | 0 | Ritter 154, 28 E | 
  | GRD04BTS0 | Mylonite | Likely lithic sand protolith, with carbonate lenses | Philippines | 0 | Ritter 154, 28 E | 
  | GRD04BWS0 | Mylonite | Reddish quartz rich proto-mylonite(?) | Philippines | 0 | Ritter 154, 28 E | 
  | GRD04CLS0 | Mylonite |  | Philippines | 0 | Ritter 154, 28 E | 
  | GRD04CMS0 | Mylonite | Brecciated mylonite | Philippines | 0 | Camp Elliott |