The spontaneous creation of Man which some believe in is not Islamic. The Qur’an tells us man was created from the clay, which is a product of the earth. To truly be spontaneous creation would had to of been of nothing.

Qur’an 23.12
YUSUFALI: Man We did create from a quintessence (of clay);
PICKTHAL: Verily We created man from a product of wet earth; 
SHAKIR: And certainly We created man of an extract of clay,

Arabic: ولقد خلقنا الانسان من سلالة من طين