Results 151 to 160 of about 27,457 (303)

Fishes of the Pliocene Glenns Ferry Formation, Southwest Idaho; Fishes of the Miocene - Pliocene Deer Butte Formation, Southeast Oregon Claude W. Hibbard Memorial Volume V

, 1975
1-87http://deepblue.lib.umich.edu/bitstream/2027.42/48614/2/ID477 ...
Smith, Gerald R., Kimmel, P. G.
core  

Replacement of Ores Recorded by Textures and Chemical Compositions of Sphalerite: An Example From the Furutobe Kuroko Deposit, Akita, Japan

Geological Journal, EarlyView.
Coupled dissolution‐reprecipitation of early formed Cd‐, Fe‐, Ag‐ and Sb‐poor sphalerite through interaction with high‐temperature and high‐sulphur fugacity Cu‐rich fluids, responsible for the formation of the yellow ores, resulted in the formation of Cd‐, Fe‐, Ag‐ and Sb‐rich, heavily chalcopyrite‐diseased sphalerite and enrichment of critical metals ...
Manuel Nopeia, Ryohei Takahashi, Andrea Agangi, Pearlyn Manalo, Hinako Sato   +4 more
wiley   +1 more source

Rise of modern marine fishes captured in an early Paleocene Lagerstätte. [PDF]

Sci Adv
El-Sayed S, Friedman M, Salem BS, Gohar AS, Al-Ashqar SF, Amin M, El-Saka H, Saad H, Speijer RP, Sallam HM.   +9 more
europepmc   +1 more source

Devonian Strata of Emmet and Charlevoix Counties, Michigan

, 1974
1-187http://deepblue.lib.umich.edu/bitstream/2027.42/48608/2/ID470 ...
Sorensen, H. O., Kesling, R. V., Segall, R. T.   +2 more
core  

Thermochronologic Constraints on the Extensional History of the Ibex Hills, Southeastern Black Mountains, Death Valley, California

Geological Journal, EarlyView.
A. Modeled T‐t paths for samples in the northern Ibex Hills, showing steady cooling throughout much of the Cenozoic, until rapid Miocene cooling. B. Weighted mean paths for each sample in this study. Note that all show a rapid cooling event at or just after 10 Ma, which is interpreted to represent exhumation as a result of regional extenstion ...
Zachariah D. Fleming
wiley   +1 more source

New materials of the rare fossil mustelid <i>Cernictis hesperus</i> (Carnivora, Mammalia) from the Pinole Tuff genotype locality in California. [PDF]

PeerJ
Tseng ZJ.
europepmc   +1 more source

The Fossil Catfishes of North America. Claude W. Hibbard Memorial Volume II

, 1975
1-51http://deepblue.lib.umich.edu/bitstream/2027.42/48611/2/ID474 ...
Lundberg, J. G.
core  

Notable Impact of Paleotectonic Stress on Gold Mineralisation in the West Qinling Orogen

Geological Journal, EarlyView.
By applying fuzzy clustering and multiple inverse methods, we systematically processed the data of vein and fault slip in this ore deposit to reveal the transition of orogenic geological environment and paleotectonic stress field. Our research results show two different stress states: the northwest–southeast extensional stress field and the northeast ...
Hongyan Wang, Aibing Chen, Jian Yang, Yuan Zhang   +3 more
wiley   +1 more source

A new lungfish (Ceratodontoidei, Dipnoi) from the Early Jurassic of Chongqing, China. [PDF]

Sci Rep
Luo B, Xu GH, Ren TC, Ma XY, Wang QD, Qiao T, Tan FT, Tan Y, Wei GB.   +8 more
europepmc   +1 more source

Growth in Two Populations of the Crinoid Eucalyptocrinites crassus; Observations on Evolution of Calycine Appendages in the Crinoid Gilbertsocrinus; A Cystoid Plate from the Lower Part of the Petoskey Formation

, 1973
1-59http://deepblue.lib.umich.edu/bitstream/2027.42/48607/2/ID469 ...
Abdul-Razzaq, S., Kesling, R. V., Devore, C. H., Lattanzi, R. D., Fini, J. M.   +4 more
core