geology Flashcards
sedimentary
compacted material
coal, chalk, mudstone
older is stronger
2-6cm per year
permeable
metamorphic
recrystalise through heat and pressure
slate, marble
1-10mm per year
igneous
solidified magma and lava
inyterlocking crystaline structure
granite, basalt
1-5mm per year
unconsolidated
not yet undergone lithifaction
glacial boulder clay
swanage bay
discordant
clay and chalk
stack stump sequence
lulworth cove
concordant
eroded limestone until reached clay
key hole bay
durdle door
tectonic movements
folds
lithilogical features
bedding planes
joints
strata
fault
dip
fold
classifying coasts
geology
sea level change (emergent or submergent)
energy inputs
sediment inputs
Dalmation coast
concordant coastline produced by folds paralell to coast
sea level rise flooded valleys
leaves lines of narrow isalnds
croatia
dune succession
xerophytic pioneer plants
stabalise plants allowing maram grass to colonise
yellow dune forms
grey dune forms
climax community
what is plant succession on sand called
psammosere
what plants stabalise salt marshes
halophytic