These are the most frequently used words in this book.
above
age
ago
almost
animals
anomaly
another
away
bed
berkeley
between
boundary
came
chicxulub
clay
come
comet
continental
crater
cretaceous
crust
dad
day
deep
deposits
different
dinosaurs
discovery
down
earth
ejecta
elements
even
event
evidence
extinction
few
field
find
first
forams
fossils
found
frank
geologists
geology
glass
gubbio
history
impact
ing
iridium
jan
kind
know
kt
large
last
layer
level
life
limestone
long
magnetic
mass
mexico
might
million
minerals
new
now
ocean
outcrop
place
plate
quartz
really
record
rocks
samples
scientists
sea
sediments
seemed
shocked
should
site
spherules
star
study
surface
time
tsunami
two
view
water
waves
work
world
years