Kialegak pluton
N
W
K/Ar
Biotite
Saint Lawrence
Csejtey et al, 1971, Patton and Csejtey, 1979; 1980
Quartz monzonite
70ACy162
Kinipaghulghat pluton
Hornblende
Syenite
66AMm245
West side of Powooiliak Bay
Patton and Csejtey, 1971, 1979; 1980
Tuff
69APa187B
South of Camp Iveetok
Patton and Csejtey, 1979; 1980
Rhyolite
79APa47a
Kookooligit Mountains, west of Camp Iveetok
Whole rock
Marvin and Dobson, 1979, Patton and Csejtey, 1979; 1980
Basalt
71AHr134a
Poovoot Range
Patton and Csejtey,1979; 1980
Gabbro
70APa13
Sevuokuk pluton
69APa219E
South of Kangee Camp
Dalrymple and Lanphere, 1971, 1974; Patton and Csejtey, 1979; 1980
Dacite
69ACy163B
Sanidine
Patton and Csejtey, 1971, 1979, 1980; Bolm 1983
66APa242
66APa242a
North Mamagnak Mountains
69APa229A
Massive, alkali olivine basalt flow, Kookooligit Mountains
66AHr136b
Kookooligit Mountains
66AHr217b
Koomlangeelkuk Bay.  Reversed magnetization suggests flow is older
66AHr218a
Sevuokuk Pluton
Csejtey et al, 1971, Patton and Csejtey, 1971, 1979, 1980
66AMm211
Nepheline syenite.  Total fusion age 115.46+/-1.11 Ma, Isochron age 112.68+/-1.28 Ma
40/39 Plateau
Amato and others, 2003b; Patton and others, in prep.
71APa 306b
Sevuokuk pluton.  Total fusion age 109.7+/-0.6 Ma, isochron age 110.6+/-2.4 Ma.  Corrected sample location provided by J.M. Amato (written commun., 2009)
Granite
94StL 19
Sevuokuk pluton.  Total fusion age 99.9+/-0.5 Ma, isochron age 99.8+/-0.5 Ma.  Corrected sample location provided by J.M. Amato (written commun., 2009)
Granodiorite
94StL 8a
Iwoonut pluton.  Total fusion age 102.3+/-0.5 Ma, isochron age 102.5+/-0.5 Ma.  Corrected sample location provided by J.M. Amato (written commun., 2009)
Monzodiorite
94StL 1
South of Kangee Camp, age recalculated using constants of Steiger and Jager (1977).  Plateau age, 65.6+/-1.2 Ma; isochron age of plateau steps 65.4+/-8 Ma
40/39 Total Fusion
Dalrymple and Lanphere, 1971, 1974