Hazelton Group

Geology

Formations: unnamed (78), Cold Fish Volcanics (40), Lower Limestone (1), Lower Volcanics (1), Nilkitkwa (1), Smithers (21), Spatsizi (149), Telkwa (5)

Lithologies: not reported (30), "siliciclastic" (105), mudstone (3), "shale" (18), siltstone (111), sandstone (18), conglomerate (2), packstone (3), "limestone" (21), coal (2), "volcaniclastic" (3), tuff (11)

Paleoenvironments: marine indet. (182), shallow subtidal indet. (4), intrashelf/intraplatform reef (1), transition zone/lower shoreface (54), offshore (53)

Age range: base of the Sinemurian to the top of the Barremian or 199.50000 to 121.40000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Early/Lower Jurassic201.4 - 174.7Canada (British Columbia) (53593 53595 53862)
Late/Upper Sinemurian199.5 - 192.9Canada (British Columbia) (53193 53194 53276 53281 53359 53477 53597 53759 53803 53864 53871 127652 208347 208348 208349 208350 208351)
Sinemurian199.5 - 192.9Canada (British Columbia) (53367)
Early/Lower Pliensbachian192.9 - 184.2Canada (British Columbia) (53175 53176 53177 53187 53189 53190 53248 53249 53353 53369 53370 53371 53380 53409 53553 53554 53555 53556 53557 53558 53559 53560 53561 53562 53563 53564 53565 53566 53567 53594 53596 53614 53615 53616 53617 53743 53770 53772 53773 53774 53775 53776 53777 53806 53808 53809 53810 53811 53812 53813 53814 53816 53817 53819 53820 53872 53879 55543 55544 55545 55546 55547 55548 55549 55551 55553 55554 55555 55556 55557 55558 55559 55560 55561 55569 55573 55574 55575 55576 55577 55578 55579 55580 55581 55582 55583 55584 55586 55587 55588 55589 55591 55592 55594 55595 55607)
Ibex192.9 - 184.2Canada (British Columbia) (53110 53119 53168 53179 53180 53182 53183 53184 53186 53283 55550 55571)
Late/Upper Pliensbachian192.9 - 184.2Canada (British Columbia) (53462 53545 53778 53815 55608 55609 55610 55611 55612 55613 55614 55615 55616 55617 55618 55620 55621 55622 55623 55624 55625 55626 55627 55629 59257)
Pliensbachian192.9 - 184.2Canada (British Columbia) (37537 37550 37552 53284 53544 53569 53627 53869)
Pliensbachian - Toarcian192.9 - 174.7Canada (British Columbia) (53818)
Freboldi186.2 - 185.1Canada (British Columbia) (53167 53185)
Early/Lower Toarcian184.2 - 182.9Canada (British Columbia) (53618 55657 55659 55665 55666 55667 55668 55787 55788 56218 56355 56356 59258 59259)
Early/Lower Toarcian - Middle Toarcian184.2 - 180.4Canada (British Columbia) (55662 55663 55669 55681 55769 55770 55777 56220 56221 56232 56233)
Toarcian184.2 - 174.7Canada (British Columbia) (37555 37556 37557 37558)
Toarcian - Bajocian184.2 - 168.2Canada (British Columbia) (37610 37611)
Middle Toarcian182.9 - 180.4Canada (British Columbia) (53218 53219 53220 53582 55675 55676 55678 55679 55680 55767 55779 55780 55781 55782 55783 55784 55786 55790 55791 55800 55801 55802 56219 56348 57822 57880 57882 57883 57884 57888 57892 59244)
Middle Toarcian - Late/Upper Toarcian182.9 - 174.7Canada (British Columbia) (53408 55768 55792 56345 56346 56350 59243)
Late/Upper Toarcian180.4 - 174.7Canada (British Columbia) (53357 53397 55785 55789 56349 59242 59245 59246)
Aalenian174.7 - 170.9Canada (British Columbia) (37612 37613 37614 37615 37616 37617 37618 37620 37621 37622 37623 37624)
Middle Jurassic174.7 - 161.5Canada (British Columbia) (138998 139200 139216)
Bajocian170.9 - 168.2Canada (British Columbia) (126959 127118 127651 127653 138927 138932 138934 138991 138992 138996 138997 138999 139090 139091 139094 139191 139193 139194 139196 139201 139209 139210 139212)
Bathonian168.2 - 165.3Canada (British Columbia) (139093 139095)
Bathonian - Callovian168.2 - 161.5Canada (British Columbia) (37625 37626 37627 37628 37629 37630 37631)
Callovian165.3 - 161.5Canada (British Columbia) (139211)
Early/Lower Callovian165.3 - 161.5Canada (British Columbia) (127127 139096 139213)
Callovian - Early/Lower Oxfordian165.3 - 154.8Canada (British Columbia) (139240)
Late/Upper Jurassic - Albian161.5 - 100.5Canada (British Columbia) (24850)
Neocomian - Barremian143.1 - 121.4Canada (British Columbia) (24855)