Massmancy

Elemental magic with power over clockwork matter (nuclear forces and radioactivity). 
Massmancy is still being understood. 
Magic users skilled in massmancy are known as massmancers, obliterators, color mages, or death mages. 
Also: Mass magic and Obliteration
Massmantic Spell Types:
Conjure Mass – The creation, formation, or generation of particles or a nuclear force field (of varying strengths) purely from the aether, as conjuration magic.
Generate Mass – The collection or generation of a small collection of particles from other material sources, or generating a nuclear force from existing nuclear interactions.  
Alter Mass – To shape, or essentially transmute material into different types of matter. (ex. oxygen into carbon)  
Masskinesis – The kinetic control of subatomic particles. 
Animate Mass – To bring a mass of particles to life, or into automation, the highest beings of which are small mass elementals that use their own massmancy. The mass elementals are semi-translucent, nuclear reactive (emit rays of heat and radiation), radiating beings that shift in shape and size. 
Part Mass – The ability to part or divide apart small masses.    
Mass Radiation – The causing of radiative reactions from small masses of material, or the control and / or emission of powerful radiation by accelerating the processes of nuclear decay. 
Mass Extrication – To split apart masses and separate particles from atoms (causes the mass to breakdown and transform into a new mass, the splitting apart of material, or an explosive fission reaction). Nuclear fission.       
Mass Fusion – To kinetically and / or thermodynamically fuse nucleons of matter, to create and transform new matter, and for explosive fusion reactions. Nuclear fusion.  
Particle Storm – A storm of particles or radiation. Particles of varying types cause different storms.  
Worldshaping – To reform the atmospheric or oceanic composition of matter on the planet, in order to change the landscape and biomes; also to affect stellar radiation processes. 
*Physics terminology is used here for explanatory purposes, despite limited scientific knowledge in Astra, and limited knowledge of nuclear physics.