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High-pressure and ultrahigh-pressure metamorphic belts- Subduction, recrystallization, exhumation, and significance for ophiolite study
Hornblende, the continent maker—Evolution of H 2 O during circum-Pacific subduction versus continental collision
Mesozoic petrotectonic development of the Sawyers Bar suprasubduction-zone arc, central Klamath Mountains, northern California
Experimental phase-equilibrium study of Al- and Ti-contents of calcic amphibole in MORB; a semiquantitative thermobarometer
Chemical microstructure of Franciscan jadeite from Pacheco Pass, California
High-pressure minerals from deeply subducted metamorphic rocks
Petrochemical study of regional/contact metamorphism in metaclastic strata of the central White-Inyo Range, eastern California
Study of the Reed Dolomite Aided by Remotely Sensed Imagery, Central White-Inyo Range, Easternmost California
Contrasting plate-tectonic styles of the Qinling-Dabie-Sulu and Franciscan metamorphic belts
Presentation of the Roebling Medal of the Mineralogical Society of America for 1992 to Hatten S. Yoder. Jr.
Metamorphism of Franciscan tectonostratigraphic assemblage, Pacheco Pass area, east-central Diablo Range, California Coast Ranges
Metamorphism of the western Cordillera and its relationship to tectonics
Abstract Phanerozoic lithologic assemblages associated with specific plate-tectonic regimes are reasonably well understood, especially the siting of igneous and sedimentary rock suites. Less appreciated is the relationship between differential plate motions and subsolidus phase equilibria. Metamorphism is a complex but quantifiable function of the conditions attending recrystallization; in turn, the thermal-depth parameters of contrasting segments of the crust are related to individual plate-tectonic histories.
An experimental determination of calcic amphibole solid solution along the join tremolite-tschermakite
Igneous petrogenesis of magnesian metavolcanic rocks from the central Klamath Mountains, northern California
Accretionary terrane in the Sawyers Bar area of the Western Triassic and Paleozoic Belt, central Klamath Mountains, northern California
Detailed mapping of greenschist-facies rocks in the central part of the Western Triassic and Paleozoic Belt near Sawyers Bar, California, demonstrates the stratal continuity and interlayered nature of intricately folded but unbroken, chemically distinctive mafic metavolcanic and metaturbiditic units. This section passes southward without break into the contiguous, weakly recrystallized Salmon River/North Fork amalgamated terrane, and northward, apparently along depositional contacts, into structurally lower, more intensely metamorphosed eastern(?) Hayfork metaclastic units. Although previously regarded as portions of several disparate terranes, these supracrustal rocks all belong to a single lithostratigraphic belt, technically emplaced beneath the more easterly Stuart Fork terrane. Because of the controversial nature of the correlations, this complex is referred to informally as the Sawyers Bar terrane. Contacts in the mapped area are depositional rather than faulted, except for the east-dipping thrust fault bringing the Stuart Fork over the Sawyers Bar terrane. No other terrane boundaries are recognized in the mapped area. This conclusion is supported by petrologic, structural/stratigraphic, and geochemical studies that demonstrate the local continuity of mineralogic, metamorphic, tectonic/stratigraphic, and bulk-rock compositional trends. Evidently this portion of the Western Triassic and Paleozoic Belt formed and evolved as a single, possibly parautochthonous accretionary complex, rather than as a collage of unrelated, exotic crustal entities.
Tectonic history of subduction zones inferred from retrograde blueschist P-T paths
Reconnaissance study of Precambrian metamorphic rocks, northeastern Sino-Korean shield, People's Republic of China
Memorial of Kenneth DePencier Watson, 1915-1986
United States earth sciences, status and future: How bad, how good?: Address as Retiring President of The Geological Society of America, November 1986
Jadeitized Franciscan metamorphic rocks of the Pacheco Pass-San Luis Reservoir area, central California Coast Ranges
Abstract The Pacheco Pass-San Luis Reservoir area is located in the central Diablo Range along the crest and eastern flank of the uplift. The site is transected by California State Highway 152, a four-lane, divided roadway near and east of the summit (elevation 1,368 ft; 410 m). The area is situated about 120 mi (200 km) southeast of San Francisco and 285 mi (450 km) northwest of Los Angeles. The location is illustrated in Figure 1. Access is provided by Highway 152, and a portion of the former road; four of the six outcrops referred to in this report are roadcuts. Because of heavy automobile and truck traffic on Highway 152, special care must be exercised when examining the rocks, and vehicles should be parked in turnouts or on the shoulder well off the pavement.