The Great Lake, a little further up the road, is one of the thousands of Highland Lakes formed through geological processes around 3,000 years ago and is a located in the central north region of Tasmania, Australia, within the sparsely inhabited Central Highlands municipality. Its original size was much smaller; it has been dammed at its southern outflow for hydro-electricity production. It is Australia's second largest freshwater lake (Lake Pedder is considered to be the largest), 1,030 metres above sea level. The lake has an area of 114 km². It is used for hydro-electric power, fishing, and tourism.
Many of the features you will see from the co-ordinates have been shaped by past ice ages. The glaciers scoured the landscape adjacent to the highway and deposited glacial debris which has created thousands of lakes and tarns on the plateau. Many of the large dolerite boulder fields and scree slopes you can see from the road started to form during glacial times and are probably still developing. They typically occur at the base of cliff lines or on steep slopes as a result of dolerite boulders toppling from the cliffs above.
If you look SSE of the co-ordinates these features can be clearly observed together with the remains of the original road directly through the dolerite glacial debris.
Dolerite rock, in various forms, is exposed in over half of Tasmania and is rock initially molten and injected as fluid into older sedimentary rocks.
A drive further along the Lake Highway will take you past numerous fisherman's shacks & holiday homes and also nearby towns of Liawenee (blink and you will miss it) and Miena, which are popular holiday shack destinations for locals and tourists, the area's reputation as being one of the coldest places in the Tasmania where during the winter months temperatures can fall to "minus 13 degrees C", when the weather is hardly conducive to camping, the population drops to two or three hundred.
To log this earthcache please email me answers to the following:
1. What type of rock is dolerite?
2. What two essential minerals is dolerite composed of?
3. Describe the colour of the dolerite boulders and what else is attached to them?
4. Optional Question: What was the temperature on the day you visited the cache site (degrees Celsius)? this is not an essential requirement but could prove interesting in the winter 
Finally - Take a photo of your gps enjoying any view of the dolerite boulder fields.
Hope you enjoy your stay and take lots of photos and warm clothes in the winter :)
Please take care driving in the winter as road conditions can be very slippery with ice and snow.
Please send me your answers and wait for my response and permission to post, any logs not "Logged with permission" will be contacted to supply answers or their logs will be deleted.
Under no circumstances are you to post your answers in your log.
NOTE: This cache may not be available during times of heavy snow.
Thanks
Congratulations again to: 2y'stassies for their efforts in claiming another FTF