Marcus Dornell Jackson was arrested on March 13th
According to an arrest affidavit, Jackson, 23, sexually assaulted his young daughter repeatedly in early March.
The girl reportedly told someone about the abuse, and an exam showed she'd been sexually assaulted.
Now, Jackson is charged with felony aggravated sexual assault of a child.
As of Tuesday evening, Jackson was being held in the Ector County Law Enforcement Center on $50,000 bond.