Natal Uranus is the sign where your Uranus was placed during birth time, and from there other houses are calculated clock-wise.
If you were born with Uranus in Libra, then your natal house is Libra (Thula Rasi) and during transit, MARS forming conjunction (in Libra), sextile (aspect of 60° which are Leo and Scorpio in this case), square (aspect of 90° which are Capricorn and Cancer here), trine (aspect of 120° which are Gemini and Aquarius here), opposition (aspect of 180° which is Sagittarius here) are discussed in this article.
Conjunction is transiting through same sign as in birth chart, sextile is transiting 3rd or 11th house, trine is transiting 5th or 9th house, opposition is transiting 7th house from natal sign.
Generally, Mars conjunct Uranus leads to violent behavior, radical thinking, desire for freedom and breaking rules, sudden and abrupt changes.
Transit Mars Conjunct Natal Uranus : Rash Behaviour, Impulsive action, desire for independence characterise this transit. The native expresses a sudden desire for freedom, kicks away all limitations, and thus breaks free.
Likes to be in company of friends, groups and aspires for leadership.
Unexpected and disrupted events , secret activities in occult and computers, accidents, violence can be experienced.
Transit Mars Sextile Natal Uranus : Dislike for restrictions, new experiences and original creativity activity characterise this transit. The native is impatient with daily routine. The native thinks originally and makes practical use of these insights in every day life. Dislikes discipline and gives importance to independence. The native expresses initiative in activities and applies original methods to achieve his objective. A good transit for scientific and technological research. The native has creative intuitive insight in occult and astrological work and in his field of action.
Transit Mars Square Natal Uranus : Explosive attitudes, impulsive out bursts of temper, egoistical tendencies, desire for freedom characterise this transit. The native acquires quarrels with nears and dears and rebels against all restrictions. Not a good transit for dealing with joint finances and inheritances, corporate money, administrative affairs, taxes and inheritance.
All actions of others hit one’s ego and he becomes impatient and acquires quarrels. Many forces beyond control suddenly disrupt life.
Electric shock, explosions, accidents can happen.
Transit Mars Trine Natal Uranus : Exciting and adventurous experiences, freedom of expression, boldness, dynamism characterise this transit. The native breaks away from routine to have advantageous experiences. You will initiate new risky ventures without mishaps. A good time for engineering, scientific and physical activities. The native gets engaged in constructive actions with friends. Mars when prominent at birth, may bring fame or notoriety through Courage, war, acts of bravery and adventures.
Transit Mars Opposition Natal Uranus : Rash impulsive actions, quarrels and sudden out bursts of temper characterise this transit. The native tends to run into danger upon sudden impulses. The native lacks common sense and is fool hardy to do uncommon, dangerous deeds.
Due to his impulsive actions and fool hardiness the native is not able to realise his goals and objectives, There may be conflicts over joint finances, inheritances and legacies. The native is full of revolutionary sentiments and rebels with authorities and seniors now and in extreme cases, native tries to make radical changes.
Should be cautious while driving, using tools, electricity, chemicals etc.