( 83 )     videos
GEOLOGIC TIME

   - basics / OVERVIEW
   - relative dating
   - absolute dating
   - ERAs

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     ( 50 )     videos
GEOLOGY / GEOSCIENCE

   basics / OVERVIEW
   - earth origin
   - earth crust
   - earth's core
   - GEOCHEMISTRY
   - GEOMAGNETISM

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                      R O C K
[   FORMATION / identification   ]
      -------------------------------------------
          petrology / mineralogy

     ( 16 )     videos
geology/petrology- ROCK

     ( 50 )     videos
petrology-rock type
/ identification

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     ( 35 )     videos
petrology - IGNEOUS ROCK

     ( 43 )     videos
petrology - SEDIMENTARY ROCK

   -- basics / IDENTIFICATION
   -- deposition environment
   -- sedimentary rock structure
   -- sequence stratigraphy

     ( 23 )     videos
petrology - METAMORPHIC ROCK

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     ( 32 )     videos
petrology - MINERALOGY

     ( 47 )     videos
petrology-mineral type
/ identification

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      ( 4 )     videos
GEOLOGY / petrology - SOIL

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     ( 39 )     videos
STRUCTURAL GEOLOGY

   - basics / OVERVIEW
   - strike - dip
   - folds
   - faults
   ----------------
   - cross sections
   - stereonet

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     ( 95 )     videos
physical geology
- GEOMORPHOLOGY

   -- geomorphology / OVERVIEW
   -- weathering & erosion
   -- erosion - mass wasting
   -- [[ VOLCANOLOGY ]]
   -- [[ GLACIOLOGY ]]

     ( 59 )     videos
physical geology- geomorphology-
PLATE TECTONICS

   -- plate tectonics / OVERVIEW
   -- evidence / mechanism
   -- types & boundry
   -- boundry : divergent
   -- boundry : subduction
   -- super continents
   -- (advanced topics)

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      ( 9 )     videos
--geomorphology - LANDFORMs

     ( 15 )     videos
--geomorphology - landforms
- RIVERs / streams

     ( 21 )     videos
--geomorphology - landforms
- COAST / beach

     ( 35 )     videos
--geomorphology - landforms
[[ MOUNTAINs ]]
   -- basics / OVERVIEW
   -- Alps,Rockies,ect.

     ( 47 )     videos
--geomorphology - landforms
GEOLOGIC FEATURE

   -- nation / country
   -- state
   -- broad area
   -- crater / impact site
   -- ROCK FORMATION

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     ( 20 )     videos
[ SEISMOLOGY ] -- geoscience

     ( 12 )     videos
[ OCEANs ] -- geoscience

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     ( 16 )     videos
[[ FIELD GEOLOGY ]]

      ( 7 )     videos
--SUBSURFACE INVESTIGATION

     ( 12 )     videos
GEOLOGY - GEOHYDROLOGY

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      ( 4 )     videos
ENGINEERING GEOLOGY

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      ( 3 )     videos
economic geology

      ( 8 )     videos
[[ FOSSIL FUELs ]] -- geology

      ( 4 )     videos
[ metal / precious metal ] -- geology


      ( 7 )     videos
[ climate change ] planetary geology

      ( 8 )     videos
[ climate change - ICE AGE ]


      ( 8 )     videos
[ ASTRO-GEOLOGY ]

      ( 5 )     videos
[[_ MARS _]] planetary geology

      ( 3 )     videos
[ LUNAR / moon ] planetary geology


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      ( 5 )     videos
GEOLOGY _ [[ history ]]

GEOLOGY _ [[ documentary ]]

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     ( 48 )     videos
GEOLOGY (not classified)

     ( 41 )     videos
GEOLOGY (not classified) - 1

     ( 40 )     videos
GEOLOGY (not classified) - 2

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GEOLOGY - youTUBE CHANNELs