000			01693nam a2200301 a 4500
001			JQM
003			CY-NiDCL
005			20201017150953.0
008			120207s1966 us abf ||| |engd
040			_beng _aCY-NiDCL
082	7		_a551
100	1		_aLipman, Peter W. _4aut _9134407
245	1	2	_aA compositionally zoned ash-flow sheet in southern Nevada / _cby P. W. Lipman, Robert L. Christiansen and J. T. O'Connor.
260			_aWashington: _bUnited States Government Printing Office, _c1966.
300			_aiv, F47 p. : _bill., maps, tables ; _c29 cm. _e+1 diagr.
490	0		_aShorter Contributions to General GeologyChapter F
490	1		_aGeological Survey Professional PaperChapter F _v524
500			_aPrepared on behalf of the U. S. Atomic Energy Commission.
500			_aConduct diagr.: correlation of measured sections from lathrop wells to paintbrush Canyon, showing lateral variations in depositional units, welding zones, and glass and crystallization zones.
504			_aIncludes bibliographical references (p. F46-F47).
520			_aA widespread ash-flow sheet grades from phenocryst-poor rhyolite upward into phenocryst-rich quartz latite, recording in inverted order the compositional zonation of magma in the source chamber.
650		4	_aVolcanic ash, tuff, etc _9137968
700	1		_aChristiansen, Robert L. _4asn _9130696
700	1		_aO'Connor, J. T. _4asn _9135400
710		0	_aUnited States _bGovernment Printing Office (U.S. G.P.O) _4pbl _9137807
911			_a002128 _e20120207 _j1966 _n551 LIP _p1 _q21 _r0 _s0
942			_2ddc _cBK _h551 LIP
999			_c77815 _d77815