41. Oligocene clastic rocks can also act as reservoir rocks in distal fan facies.42. Some Oligocene -Miocene layers are exposed in the Quebrada de las Zorritas. 43. The first true tapirs appeared in the Oligocene . 44. Zavortink & Poinar contained in German amber from the Late Oligocene ( to ). 45. Volcanism occurred as late as Oligocene time, but continues sporadically up to present. 46. Paleomagnetic dating puts the sites at 33 Ma, consistent with the Oligocene epoch. 47. During the Oligocene , Africa was not connected to any of the other continents. 48. Protoceras lived in the deserts of the Late Oligocene , alongside the oreodont Leptauchenia. 49. This species was long believed to have first been found in Early Oligocene deposits. 50. It lived from the Oligocene to the Pliocene.
