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 average inexperienced worker's salary is approximately $51K, and people with five to 10 years of experience bring in more at around $64K on average. Geologists bring in $76K after working for 10 to 20 years. Seasoned veterans with 20 years under their belts enjoy a median income of $100K.