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~ Potato Point and beyond

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Category Archives: national parks

Aragannu

14 Wednesday Feb 2018

Posted by morselsandscraps in national parks, photos

≈ 21 Comments

Tags

Aragannu, memories, midden, shipwreck, trees

I often walk beside my past as I move around my part of the world. I drive down the dusty ribbed road through the bush to Aragannu in Mimosa Rocks National Park and memories swarm. Here, I saw my first grove of blueberry ash. Here, we were once the rowdiest campers, behaving as we’d hate anyone else to behave. Here I sat by a campfire with a friend who had just lost her son. Here I stumbled along a faint track in search of rainforest, under a prostrate figtree and past modern middens. Memories expand at the rocky beach and I remember my aunt spraining her ankle on such a beach when she was my age.

Things have changed since my last visit, quite a while ago now. There’s a well marked track and even a boardwalk. Join me as I walk in the momentary present. Next time I go there this visit too will be part of my memory.

Let’s park the car in one of the many empty parking bays, under entwined trunks and twisting branches.

The ramp leading up to the loo offers many vantage places for capturing rocks in symbiosis with trees …

… and more twisting branches

Then it’s time to head off along a leaf-surfaced and root obstructed track, past more contorted trees.

Occasionally, a tree stands straight and tall …

… but more often they have a lean on them.

The track turns and begins to climb, up rocksteps and over ankle-turning loose rocks, over a ridge and down to a camping area (only one tent). The track continues on and becomes a boardwalk leading out to the sea and passing a mound, grass growing over an Aboriginal shell-midden.

The beaches and coves are rocky – large round rocks or ovaloid rocks or curved-corner rectangular rocks …

… becoming larger as you head further north …

… where land artists have made good use of material at hand.

In the background are Mimosa Rocks, so named because PS Mimosa was wrecked on them in 1863 with the loss of two lives. The wreck is still there, protected from marauders by the 1976 Commonwealth Historic Shiprecks Act.

Wordless walk: Girraween National Park

25 Tuesday Jul 2017

Posted by morselsandscraps in national parks, photos

≈ 19 Comments

Tags

banksias, Dr Roberts Waterhole, Girraween National Park, rocks, Underground Creek, wattle









Granite country

19 Wednesday Jul 2017

Posted by morselsandscraps in national parks, photos

≈ 22 Comments

Tags

boulders, flowers, geology, Girraween, Granite Arch, Granite Belt

Girraween National Park is not far from my daughter’s place near Stanthorpe. It’s in the Granite Belt which stretches for 250 kilometres from Warwick in Queensland to Armidale in NSW. 

For its creation story, take yourself back 240 million years. Two tectonic plates approach each other and compress the crust of the eastern side of whatever was sort-of Australia then. The heat is intense, and a molten mass of magma invades older rocks. Two kilometres below the earth’s surface, it cools very slowly, creating coarse-textured granite. It’s under an immense weight of older rock which is gradually eroded away. The upper face of the granite expands upwards and cracks and large slabs, sometimes metres thick, break away  from the mother rock. Gradually, where there are a lot of fractures, sheets break into blocks and the roughly rectangular blocks become weathered into rounded boulders, like the ones I’m walking through now. But there are less-fractured places in Girraween, now beyond my aging reach: broad slabs, steep domes and pinnacles of bare granite with names like The Pyramid and Castle Rock. The creation story continues today: chemical reactions dissolve the boulders into a mixture of kaolinite clay and quartz sand; each episode of freeze and thaw enlarges cracks; wind, water, animals, algae, bacteria, lichens and mosses also play a part in weakening and shaping the stone.

My  Girraween walk this visit isn’t a long one (less than 2km): it meanders between boulders, the legacy of the processes of long time, as it makes its way to today’s goal, the Granite Arch. I have two cameras slung around my neck and my sturdy walking stick, just in case I want to venture beyond the well-made track. 

The trail begins with a creek crossing, concrete bridges joining granite slabs. But the main beauty is the rockscape, everywhere rounded boulders, leaning over and resting on each other amongst the scrub, sometimes paddling in bright wattle, sharp leaved bell shaped heath flowers, a couple of white correas. Where the rocks are sparser there is plenty of moss and sundews. 

I round a corner, and there’s the Granite Arch: a huge rounded lintel-rock, supported by two doorposts. 










For once geological information is easy to come by, easily understood and accompanied by explanatory photos. I am grateful! For a photo gallery covering more of the park than my legs can manage, see here.

The panel near the Granite Arch was also informative, although geological processes satisfy me: I don’t need the handiwork of giants. It’s a pity too that the Thoreau quote is so apposite: David Henry is not my favourite person!

Wordless walk: Bald Rock National Park

18 Tuesday Jul 2017

Posted by morselsandscraps in national parks, photos

≈ 3 Comments

Tags

Bald Rock NP, flowers, lichen, moss, rocks, tracks



















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