No, Geodude is not a real creature. Geodude is a fictional character only in the Pokemon franchise.
No, trading a Geodude into the Alola region will not cause it to evolve into Alolan Geodude. To obtain Alolan Geodude, you must catch it in the Alola region, as it has a different regional form. However, if you have a regular Geodude, you can evolve it into Golem, but it will remain the original form.
put geodude as the party leader
no
Graveller
Geodude evolves into Graveler at level 25. It then evolves into Golem through trade.
What you have encountered is a shiny Geodude, which, as you described, is gold and a normal Geodude is a light gray color. Think of shiny Geodude as a gold nugget and a normal Geodude has a regular rock.
Geodude will evolve into Graveler.
A gold geodude is just a shiny geodude you must keep finding geodude in granite cave until its shiny.
geodude evolves at lvl 25.
No, trading a Geodude into the Alola region will not cause it to evolve into Alolan Geodude. To obtain Alolan Geodude, you must catch it in the Alola region, as it has a different regional form. However, if you have a regular Geodude, you can evolve it into Golem, but it will remain the original form.
A female Geodude can be found randomly in the wild. A Geodude has a 50% chance of being female.
There are three Pokemon in the Geodude evolutionary line - Geodude, Graveler, and Golem. Geodude evolves to Graveler at level 25, and Graveler evolves to Goiem by being traded.
geodude learns rockthrow at lv. 11
Geodude evolves at lv. 25.
Geodude evolves into Graveler, starting at level 25.
Geodude has a mouth and apparently it can shoot flames.
Geodude evolves beginning at level 25.