galway geology

this is a geological enquiry 

a chronological time table for the formation of the geological layers and formations in county galway 

i am looking for the year of the formation in numerals      ie 4,000,000,000

the eon the layer formed in 

the name of the era it occured at  

the period it was laid down 

the age it settled on the earth 

the name of the strata in galway 

and if there is any record of a suture line for this county 

and i will compile the information in chronological order below 

and also if you can advise where these layers are exposed for viewing on the galway landscape what townlands?