Disclosed herein is a two piece solid golf ball consisting of a solid core and a cover, said {HEAD ~ solid core} being formed from {TAIL ~ a rubber composition} composed of a rubber base material of polybutadiene synthesized by using a catalyst of rare earth element, a small amount of organic peroxide, an unsaturated carboxylic acid and a metal salt thereof, an organic sulfur compound, and an inorganic filler, and said cover being formed mainly from a mixture of a block copolymer having amino groups at terminals and an ionomer resin 
formed from
Disclosed herein is a two piece solid golf ball consisting of a solid core and a cover , said { HEAD ~ solid core } being formed from { TAIL ~ a rubber composition } composed of a rubber base material of polybutadiene synthesized by using a catalyst of rare earth element , a small amount of organic peroxide , an unsaturated carboxylic acid and a metal salt thereof , an organic sulfur compound , and an inorganic filler , and said cover being formed mainly from a mixture of a block copolymer having amino groups at terminals and an ionomer resin
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