1 Middle Horizon Wari (AD 600-1000). The strongest evidence for the pre-Inca use of quipu record keeping is from the Middle Horizon Wari (or Huari) empire, an early urban and perhaps state level Andean society centered at the capital city of Huari, Peru. 2  Late Horizon Inca (1450-1532).
The salaries of petroleum geologists correspond to their years of experience, according to the 2012 salary survey released by the American Association of Petroleum Geology. For example, workers with up to two years of experience averaged $98,700 per year, with a high of $110,000, and a low of $85,000.
The U.S. Bureau of Labor Statistics reported that the median annual salary for geology and petroleum technicians was $55,610 in May 2015 (www.bls.gov). It also projects that between 2014 and 2024, geology and petroleum technician jobs will grow by 12%, which is faster than the average for all occupations.