Assertion: spiny dogfish's spine | /r/CapableOf | preserve a bomb radiocarbon pulse
Facets:
value: in growth bands
type: LOCATION
Source sentences:
text: Our results indicated that the dorsal spines of spiny dogfish recorded and preserved a bomb radiocarbon pulse in growth bands formed during the 1960s, the period during which there was extensive atmospheric testing of nuclear weapons.
text: Our results indicated that the dorsal spines of spiny dogfish recorded and preserved a bomb radiocarbon pulse in growth bands formed during the 1960s, the period during which there was extensive atmospheric testing of nuclear weapons.