GD meaning in Earth Science ?

Answer: What is Green Diamond mean?

The Green Diamond was a streamlined passenger train operated by the Illinois Central Railroad between Chicago, Illinois and St. Louis, Missouri. It operated from 1936 until 1968. It was the Illinois Central's first streamliner. Initially it operated with Illinois Central 121, the last of the 1930s fixed-consist articulated streamliners built in the United States.

After 1947, the Green Diamond operated with more conventional streamlined equipment until its discontinuance. The name honored the "green diamond" in the Illinois Central's logo as well as the Diamond Special, the Illinois Central's oldest train on the Chicago-St. Louis run.

reference

Full Form	Category
German Design	Academic & Science
Global Depth	Academic & Science
Giga Disc	Academic & Science
Geographic Database	Academic & Science
Geologic Data	Academic & Science
Geologic Document	Academic & Science
Generalized Displacement	Academic & Science
Ground Design	Academic & Science
Geometric Dimensioning	Academic & Science
Gregorian Dome	Academic & Science
Geographical Descriptor	Academic & Science
Gardner Denver	Business
General Duty	Business
General Discussions	Business
Goods Declaration	Business
Glove box Door	Business
General Dynamics Corporation	Business
Green Dot, LTD.	Business
Guaranteed Delivery	Business
Gantar & DeMartini, LTD., Law Firm	Business
Distinction Group Incorporated (de-listed)	Business
Gear Drive	Business
Gemini Dynamics, L.L.C.	Business
Graphics Development	Business
Group Dynamics	Business
Gadolinium	Chemistry
Godz Devil	Community
Green Day	Community
Glenn Danzig, songwriter and musician	Community
Gunga Din	Community
Graveyard District	Community
Grateful Dead	Community
Growth and Development	Community
Great Dads	Community
Golden Dream	Community
Gloria Dei	Community
Gideons Dagger	Community
Good Dancer	Community
Graduation Day	Community
Group Discussion	Community
George Dillard, Minister	Community
Gigabyte Disk	Computer Hardware
Grenada (TLD)	Computing
Gaming Dark	Computing
Game Development	Computing
Graph Database	Computing
Geometry Dash	Computing
Gratuitous Damage	Computing
Gridiron Dynasty	Computing
Global Domination	Computing
Greater Defender	Computing
Garbage Disposal	Database Management
Green Diamond	Earth Science
Glow Discharge	Electronics
Gate To Drain	Electronics
General Demons	General
Gangsta Disciple	General
Graphene Disperse	General
George David	General
Good duel	General
Gary and Debbie	General
Great Dane	General
Graphics Draw	General
Golden Dollar	General
Grain Density	General
Global Diversified	General
Gray Day	General
Games Dressed	General
Global Design	General
Gender Dysphoria	General
Glazed Dount	General
Globally Delicious	General
God D	General
Grey Dye	General
Gun Dogs	General
Goal Difference	General
Grain Decay	General
G Dragon	General
Gaussian Divergence	General
gah DAMMMM	General
God Damn	General
Grade Delay	General
Garden District	General
Good Deal!	General
Gangsta Disciples	General
Golden Days	General
Greater Darkness	General
Guard Dog	General
Glazed Doughnut	General
Given Date	Governmental
Government Deficit	Governmental
Gradient Descent	Governmental
Guidance Document	Governmental
Government Discretion	Governmental
Gangster Disciples	Governmental
Gudeman	Governmental
General Diary	Governmental
GONDA JN	Indian Railway Station
GüneyDogu	International
G?G?eyDogu	International
Graphic Designer	Jobs
Graphic Design	Jobs
Golden Dragon	Jobs
Grave Digger	Jobs
General Duties	Jobs
Grand Daugther	Jobs
General Director	Jobs
Gaucher Disease	Medical
Gestational diabetes	Medical
Guide Dog	Medical
Giant Dog	Medical
Gauchers Disease	Medical
Graves Disease	Medical
Geek Diatribe	Messaging
Good Day	Messaging
Great Day	Messaging
God Dammit	Messaging
Group Deal	Messaging
General Discussion	Messaging
Get Digital	Messaging
Gosh Darn	Messaging
Great Deal	Messaging
Graphics Database	Military and Defence
General Dynamics	Military and Defence
Ground Duty	Military and Defence
Soman, A Nerve Agent	Military and Defence
General Decentralized	Networking
General Deployment	Networking
Good Deformation	Physics Related
Garage Door	Real Estate
Good	Real Estate
Greek Drachma	Regional
Scots Gaelic	Regional
Grosser Deutschland	Regional
Gold Dinar	Regional
Golden Daemon	Softwares
Graphics Definition	Softwares
Game Disk	Softwares
Google Desktop	Softwares
Grand Design	Softwares
Goal Defense	Sports
Gambling Downtime	Sports
Goal Differential	Sports