rockon-ro: CROCOITE (Lead Chromate) crystals  from the Adelaide…

rockon-ro:

CROCOITE (Lead Chromate) crystals  from the Adelaide Mine in Tasmania, Australia.

Geology Nerd

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mineraliety: Inexperienced goodies by @azurs…

mineraliety:

Inexperienced goodies by @azurs //////

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Flirtatious one hundred-Million-Yr-Previous Damselflies Discovered Frozen in Amber

The poor damsel fly was trapped whereas getting his groove on over 100m years in the past CREDIT: DARAN ZHENG

It was all going so nicely. one hundred-million-years in the past a male damselfly noticed a possible mate and set about trying to woo her with an intricate courtship dance.

Waving his spectacular pod-like decrease limbs within the air and beating his wings furiously, the tiny insect pulled out all of the stops to sign his curiosity to his meant.

However, the course of real love by no means did run clean, and this unlucky damselfly, moderately than having fun with the fruits of his labour, discovered himself encased in sticky tree sap, which later become amber.

It’s the first time the mating dance of historic bugs has been found fossilised in amber.

The frozen-in-time scene which dates from the Mid-cretaceous when dinosaurs dominated the Earth, was reported by researchers from the Nanjing Institute of Geology and Palaeontology.


“Courtship behaviours, frequent amongst trendy bugs, have left extraordinarily uncommon fossil traces. None are recognized beforehand for fossil (primitive winged bugs),” stated lead writer Dr Daran Zheng.

“Fossil traces of such behaviours are higher recognized among the many vertebrates, such because the antlers of the Pleistocene big deer Megaloceros giganteus.

“Right here we describe spectacular extraordinarily expanded, pod-like tibiae in males of a platycnemidid damselfly from mid-Cretaceous Burmese amber.

“Such buildings in trendy damselflies, assist to fend off different suitors in addition to appeal to mating females, growing the probabilities of profitable mating.”

The brand new species, an ancestor of recent damselflies, was named Yijenplatycnemis huangi after Huang Yijen from Taiwan, who donated the amber to researchers after discovering it in Myanmar.

Y. huangi was discovered to have spectacular extraordinarily expanded, pod-like decrease legs, or tibiae, which have been used to fend off different suitors in addition to appeal to mating females, growing the probabilities of profitable mating.

Right now damselflies mate in the identical method,  though there decrease legs at the moment are so developed as up to now.  Throughout courtship, male dancing jewel damselfly (Platycypha caligata) waves the white anterior floor of all six enlarged decrease legs on the feminine.

The traditional species was additionally discovered to have an eye fixed-formed spot in the midst of its hind leg, just like the wing spots of butterflies.

Eyespots are used to make a conspicuous  show to intimidate vertebrate predators or shield the physique by deflecting an assault to the wings.

Researchers Dr Zheng Daran and Professor Wang Bo consider the eyespots might have been used to additionally appeal to females, in the identical means because the eyes on peacock feathers.

The analysis was revealed in the journal Scientific Reports.


Geology IN

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mineraliety: All the time in awe of @structure_minerals compilations…

mineraliety:

All the time in awe of @structure_minerals compilations //////

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Australian origin possible for iconic New Zealand tree

Ancestors of the long-lasting New Zealand Christmas Tree, Phutukawa, might have originated in Australia, new fossil analysis suggests.
Paleontology News — ScienceDaily

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mineraliety: Love this pink Himalayan Quarts with Chlorite by way of…

mineraliety:

Love this pink Himalayan Quarts with Chlorite by way of @sacredspaceminerals //////

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gorgeousgeology: Shale is a effective-grained, clastic sedimentary…

gorgeousgeology:

Shale is a high quality-grained, clastic sedimentary rock composed of mud that may be a mixture of flakes of clay minerals and tiny fragments (silt-sized particles) of different minerals, particularly quartz and calcite. The ratio of clay to different minerals is variable.

Shale is characterised by breaks alongside skinny laminae or parallel layering or bedding lower than one centimetre in thickness, referred to as fissility. Mudstones, then again, are comparable in composition however don’t present the fissility.

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mineraliety:This Opal by @cosmicopals seems to be like precise hearth….

mineraliety:

This Opal by @cosmicopals appears like precise hearth. Damnnnnn Mom Nature! ////// 

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‘Star mud’ wasp is a brand new extinct species named after David Bowie’s alter ego

Throughout her research on fossil bugs at China’s Capitol Regular College, a scholar visited the Smithsonian Nationwide Museum of Pure Historical past, USA, carrying two unidentified wasp specimens that have been exceptionally properly-preserved and one hundred million years previous. Shut examination revealed that each have been species new to science. Moreover, certainly one of them was discovered to belong to a genus of recent wasps.
Paleontology News — ScienceDaily

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mineraliety: I really like how hanging these illustrations by…

mineraliety:

I really like how hanging these illustrations by @sydneyfaye look on the black paper //////

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