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	1.	No cover image available Trace elements in continental-margin magmatism : part I Trace elements in the Clarno formation of central Oregon and the nature of the continental margin on which eruption occurred summary by Rogers, John Ragland, Paul Material type: Article; Format: print Language: Eng In: Geological Society of America bulletin 91(4), part I, 1980, p. 196-198: : graph., tab. Availability: No items available.
	2.	No cover image available Trace elements in continental-margin magmatism : Part II Trace elements in Ben Ghnema batholith and nature of the Precambrian crust in central North Africa summary by Rogers, John Hodges, Kip Ghuma, Mohamed Material type: Article; Format: print Language: Eng In: Geological Society of America bulletin 91(8), part I, 1980, p. 445-447: : carte, graph. Availability: No items available.
	3.	No cover image available Trace elements in continental-margin magmatism : Part III Alkali granites and their relationship to cratonization summary by Rogers, John Greenberg, Jeffrey Material type: Article; Format: print Language: Eng In: Geological Society of America bulletin 92(1), part I, 1981, p. 6-9: : graph., tab. Availability: No items available.
	4.	No cover image available Trace elements in continental-margin magmatism : Part IV Geochemical criteria for recognition of two volcanic assemblages near Auburn, western Sierra Nevadas, California by Rogers, John Suayah, Ismail Edwards, James Material type: Article; Format: print Language: Eng In: Geological Society of America bulletin 95(12), 1984, p. 1437-1445: : carte, graph., tab., rés.(Angl) Availability: No items available.
	5.	No cover image available Possible hydration anomaly in the upper mantle prior to Red Sea rifting : evidence from petrologic modeling of the Wadi Natash alkali basalt sequence of eastern Egypt by Hubbard, Brad Wood, Laura rogers, John Material type: Article; Format: print Language: Eng In: Geological Society of America bulletin 98(1), 1987, p. 92-98: : carte, graph., tab., rés.(Angl) Availability: No items available.
	6.	No cover image available The southern Kahiltna terrane : implications for the tectonic evolution of southwestern Alaska by Wallace, Wesley Hanks, Catherine Rogers, John Material type: Article; Format: print Language: Eng In: Geological Society of America bulletin 101(11), 1989, p. 1389-1407: bibliiogr. p. 1406-1407, : ill., carte, tab., rés.(Angl) Availability: No items available.

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